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    • Posted by Abhinay Srivastava 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Hira Lala 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Swarup Swapnil 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Manjeet Sahu 3 years, 8 months ago

    Where p is pressure, n is no. Of moles of gases, R is universal gas constant, T is temperature and V is Volume

    0Thank You

    Manjeet Sahu 3 years, 8 months ago

    P=nRT/V

    1Thank You

    ANSWER

    • Posted by Pearl ? 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Priyanshu Prajapati 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Ritik Kumar 3 years, 8 months ago

    It shows Magnitude and unit is called scalar quantity.

    4Thank You

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    • Posted by Riya Shah 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Abhinav Chauhan 3 years, 8 months ago

    A pendulum moves in such a way that angle is formed by it is θ , as you know , along tangent , motion of pendulum is just opposite to force. As shown in figure. Here what you see both the above conditions are satisfied when displacement of pendulum is small.

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    • Posted by Vedika Sharma 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Abhinav Chauhan 3 years, 8 months ago

    Orbital velocity is given by:  V=R+hGM​​ Where G is the Universal Gravitational constant, M is the mass of the Earth, h is the height of the satellite from the earth's surface and R is the radius  of the earth.  V∝R+h​1​ V2​V1​​=R+h1​R+h2​​​ Given: V2​V1​​=12​, h1​=100 km and R=6500 km  ⇒12​=6400+1006400+h2​​​ ⇒6400+h2​=4×6500=26000 km  Hence, the height above the earth's surface, h2​=26000−6400=19600 km

    3Thank You

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    • Posted by Annn Nnn 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Kamlesh Verma 3 years, 8 months ago

    T=[M]^a[K]^b

    0Thank You

    Kamlesh Verma 3 years, 8 months ago

    T - time period , T = D[M^a][K^b] : D- some constant ,M- mass ,K- spring constant

    2Thank You

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    • Posted by Sonu Kalyanpura 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Swastik . P 3 years, 8 months ago

    1) when a object is in motion or rest it will always be in motion/rest untill external force is applied to it 2) Momentum varies directly with applied force w.r.t time 3) For every action there is opposite reaction

    0Thank You

    Lakshay Dhall 3 years, 8 months ago

    Every action there is an equal and opposite reaction

    0Thank You

    ANSWER

    • Posted by Pratika Parmar 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Sanika Komawar 3 years, 8 months ago

    There are 2 types of products in vector 1) dot product- A.B 2)Cross product- A×B....

    1Thank You

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    • Posted by Deeksha Deora 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Abhinav Chauhan 3 years, 8 months ago

    https://www.topperlearning.com/doubts-solutions/there-are-two-bodies-of-mass-100kg-and-10000kg-separated-by-a-distance-1mat-what-distance-from-the-smaller-body-is-the-intensity-of-gravitational-fiel-orth0o

    0Thank You

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    • Posted by Priti Yadav 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 3 answers

    Bharti Chaudhary 3 years, 8 months ago

    The vector product of force and distance from axis of rotation for centre of mass

    0Thank You

    Lakshay Dhall 3 years, 8 months ago

    Angular force is known as torque

    1Thank You

    Cutiee Sujii 3 years, 8 months ago

    It is a rotational analogue of force, also commonly known as moment of force.

    3Thank You

    ANSWER

    • Posted by Anushika Dubey 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Abhishek Gupta 3 years, 8 months ago

    Parallax is the displacement or the change in the apparent position of the object when viewed from two different points of view. The two points of view have their own line of sights and parallax is measured as half of the angle between the two lines of sights. When you are traveling in a vehicle and you look around as you are moving, you will see that objects in the distances appear to move more slowly than the objects closer to you. This is the effect of parallax. Nearby objects have a larger parallax than the distant objects, so the parallax can be used to determine distances. The phenomenon of parallax, when combined with triangulation, will yield the location of the object with considerable accuracy. Astronomers regularly use the parallax method to measure the distances of the closer stars. Distance Measurement by Parallax Distance measurement by parallax is a special application of the principle of triangulation. From triangulation, we knew that a triangle can be described completely if two angles and sides are known.  In the image shown above, the distance of a distant star is being calculated. The star being closer to earth than the far away starts exhibits a finite parallax value. This way, we can obtain the value of the parallax angle by viewing the star from two known points on Earth forming the baseline of the triangle. Let’s define the parallax half-angle from two distinct points on Earth as ‘p’. Here the maximum value of‘ ‘d’ is the radius of Earth and the distance of the star can be assumed to be only slightly farther than the sun. Here the value of the distance from the sun is many magnitudes smaller than the radius of the earth due to which the value of the parallax angle we get is extremely small. Too small to be even detected. This is the fact behind, why the great Astronomer Cassini and his colleagues were unsuccessful in finding the parallax for even a single star. This was considered by his detractors to be proof that heliocentricity was wrong. Cassini’s theory was correct but the least count of the equipment used then wasn’t small enough. Application Assuming the angle ‘p’ is small, the distance to the object measured in parsecs (in terms of speed of light) is equal to the reciprocal of the parallax angle measured in arcseconds. D(parsec)=1p(arcsec) In order to overcome the problem of the small ratios, star parallax is most often measured using annual parallax which is defined as the difference in the position of a star as seen from the earth and sun. Instead of taking the fixed baseline as the Earth’s radius, the fixed baseline is taken as the radius of Earth’s revolution around Earth which increases the size of the baseline therefore the top angle making it easier to measure.  Measurement of stellar distances and the parallax angle in terms of distancesUnfortunately, the ground-based telescopes can only measure parallax reliably for stars that are within a few hundred light-years from us. Telescopes above the atmosphere such as the Hubble Telescope can measure smaller parallax shifts and thus larger distance, but even in that case the most distant objects for which distance can be determined by parallax of a few thousand light-years away. To measure further distances, we use other methods which you will learn in the coming classes.

    3Thank You

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    • Posted by Praveen Khavatkop 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Rrrrr Rrrrr 3 years, 8 months ago

    statistical error that is wholly due to chance and does not recur —opposed to systematic error.

    0Thank You

    Praveen Khavatkop 3 years, 8 months ago

    The random error are those error, which occur irregularly and hence are random with respect to sign and size

    1Thank You

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    • Posted by Shreeya ? 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 5 answers

    Aditya Chauhan 3 years, 8 months ago

    Part 2 and part 1 ke kuch ch

    1Thank You

    Uday Choudhary 3 years, 8 months ago

    Part 2

    2Thank You

    Abhishek Bharati 3 years, 8 months ago

    From part 1 .. Total 40 marks will come from first book

    1Thank You

    Priti Yadav 3 years, 8 months ago

    Have 30 marks weightage

    5Thank You

    Priti Yadav 3 years, 8 months ago

    Part 2

    2Thank You

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    • Posted by Shreeya ? 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Nikki Singhal 3 years, 8 months ago

    Keep this phone aside and put your whole focus on allthe formaulas and derivations If you even don't practice for numericals but make 100%sure that you can write all the theory well than you can score above 70 from 100 dear

    5Thank You

    Shreeya ? 3 years, 8 months ago

    Ok thanks I'll see ...well all the best to you ?

    4Thank You

    ANSWER

    • Posted by Harleen Grewal 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Karan Sharma 3 years, 8 months ago

    Weight increase hoga

    0Thank You

    Shivang Choudhary 3 years, 8 months ago

    Weight will increase

    0Thank You

    ANSWER

    • Posted by Pearl ? 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Manjeet Sahu 3 years, 8 months ago

    ???????

    0Thank You

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    • Posted by Harsh Pandit 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 3 answers

    Manjeet Sahu 3 years, 8 months ago

    Koi chandigarh se h kya???

    0Thank You

    Shreeya ? 3 years, 8 months ago

    Harsh kaisa gya.? ...mera Wednesday ko hai !!

    0Thank You

    Shreeya ? 3 years, 8 months ago

    Harsh all the best mera English ka hai ✌️

    3Thank You

    ANSWER

    • Posted by Kratika Patidar 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Harsh Pandit 3 years, 8 months ago

    Sorry g

    4Thank You

    ANSWER

    • Posted by Alka Singh 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 4 answers

    Raunak Chauhan 3 years, 8 months ago

    When an object projected with some angle from the ground and allow to move under the influence of gravity ,then the motion possess by the object is called projectile motion

    0Thank You

    Harsh Pandit 3 years, 8 months ago

    When a body projected on a parabolic path then the motion of the body is parabolic ???

    1Thank You

    Kratika Patidar 3 years, 8 months ago

    Motion where an object moves in parabolic path, the object is called projectile and its motion is called projectile motion.

    0Thank You

    Priyanshu Basu 3 years, 8 months ago

    IF an object is thrown with some initial velocity and which is then allowed to move under the action of gravity is known as ?????????? ??????.

    0Thank You

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    • Posted by Asif Ali 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    11B08 Sanobarparveen 3 years, 8 months ago

    First find net workdone Net w.d= ∆ke+∆p.e Then eq of continuity Then find ∆k ∆u And total net workdone And substitute all the value in first eq.

    0Thank You

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    • Posted by Sameeksha Nayak 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Aakash Kumar 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 4 answers

    Manjeet Sahu 3 years, 8 months ago

    It depends on your locality

    0Thank You

    Harsh Pandit 3 years, 8 months ago

    1 March

    0Thank You

    Shreyansh Saxena 3 years, 8 months ago

    It depends on your school

    4Thank You

    Kumari Shruti 3 years, 8 months ago

    1 march

    5Thank You

    ANSWER

    • Posted by Nishita Yadav 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Keshav Joshi 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Ankita Sundi 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Karthika Karu 3 years, 8 months ago

    The tangential component of the force of interaction between two surfaces in contact is called friction. It leads to resistance against movement between the surfaces and can cause mechanical deformation and heating. Depending on whether the surfaces are at rest or in relative motion against each other, the friction divides into static and kinetic friction.

    1Thank You

    Swastik . P 3 years, 8 months ago

    Kinetic friction comes to play when body is moving on the other hand static fraction comes to play when body is about to move (not moving actually).

    2Thank You

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    • Posted by Anuj Chaudhary 3 years, 8 months ago

    CBSE > Class 11 > Physics
    • 1 answers

    Karthika Karu 3 years, 8 months ago

    Let us assume the distance between A to B is x km. So , the car travels a total distance of (x+x) = 2x km. Now, the car travels at a speed of 20 km/hr from A to B . So, time taken by the car to reach at the point B from point A is given by, Car travels 20 km in 60 minutes. Car travels x km in (60÷20)×x minutes = 3x minutes Now, in the time of returning the car returns at a speed of 30 km/hr. So, time taken by the car to reach A from B is given by, Car travels 30 km in 60 minutes. Car travels x km in (60÷30)×x minutes = 2x minutes. So , the car takes a total time of ( 3x+2x)=5x minutes. Now , the average speed of the car for the whole journey is given by, In 5x minutes the car covers a distance of 2x km. So, in 60 minutes the car covers a distance of (2x÷5x)×60 km = 24 km. So , the average speed of the car for the whole journey is 24km/hr.

    1Thank You

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    • Posted by Pankaj Rathore 3 years, 9 months ago

    CBSE > Class 11 > Physics
    • 0 answers
    ANSWER

    • Posted by Vinayak Yadav 3 years, 9 months ago

    CBSE > Class 11 > Physics
    • 2 answers

    Suditi Agrawal 3 years, 9 months ago

    Show the figures also

    0Thank You

    Suditi Agrawal 3 years, 9 months ago

    Y is not clear plzz mention again

    0Thank You

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