CBSE > Class 11 > Physics | CBSE Board | Homework Help

those force in which the object depends upon the initial and final position .work done in a closed path is always equal to zero .ex gravitational electosatics force etc

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If an electron moves with velocity V is equal to 2i - 3j + K cap metre per second in a magnetic field and B vector is equal to 2i + J- K cap T. then calculate the Lorentz Force

Posted by Manasvi Agrawal 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

obain degree of freedom for (a) monoatomic (b)diatomic (c)triatomic molecules

Posted by Raghav Agrawal 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Oruj Javed 6 years, 9 months ago

For monoatomic : 3 degrees of freedom ( all translational) For diatomic : 5 degrees of freedom ( 3 translational & 2 rotational ) For triatomic : 6 degrees of freedom ( 3 translational & 3 rotational )

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Form

Posted by Shubham Kumar 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is meant by escape velocity? Obtain an expression for escape velocity of an object projected from the surface of the earth.

Posted by Suman Kuwar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Prashant Singh 6 years, 9 months ago

the minimum speed with which a body should be projected vertically upward from the surface of the earth is called escape velocity.expression is underroot 2gr.

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A projectile is fired with a velocity u making an angle theta with horizontal.show that its trajectory is a parabolic.derive expression for 1.Time of flight 2.Maximum height 3.Horizontal range

Posted by Tithi Vora 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Lens maker formula derivation

Posted by Nilesh Hiragar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Vaishanavi Sharma 6 years, 9 months ago

I/V - 1/U = 1/f or. 1/f = ( U-1) (1/R1 - 1/R2)

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what is the angular velocity of the hour hand of clock

Posted by Vinayak Gujjar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Kunjali? Verma 6 years, 9 months ago

π/21600 rad/sec or π/6 rad/hour

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What is Magnus effect with example

Posted by Shivani Singh 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Vaishanavi Sharma 6 years, 9 months ago

Magnus effect is an observable phenomenon that is commonly associated with a spinning object that drags air faster around one side, creating a difference in pressure that moves it in the direction of the lower-pressure side.

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ANSWER

What should we actually do after the exam ends???

Posted by Harsh Singh 6 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Kunjali? Verma 6 years, 9 months ago

Masti?

2Thank You

Ďãřşháñăã Yadav ? ? ? 6 years, 9 months ago

bahi bus Vele hai... abb 1 months ke liye... ?

1Thank You

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principal of pressure cooker

Posted by Harveer Singh 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Priyal Bansal 6 years, 9 months ago

Specific heat capacity

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What is dispersive power ?

Posted by Rahul_ Ry(ʘ‿ʘ) 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How does rise in tempetature affects viscosity of - 1)Gases And 2)Liquid

Posted by Anubhav Kumar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Ayush Kumar 6 years, 9 months ago

Rise in temperature decreases the affects of viscosity. It could be said that viscosity is inversely proportional to temperature

4Thank You

ANSWER

Derive the expression for maximum relative error in the product of two measured quantity a and b

Posted by Shailja Parihar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Kunjali? Verma 6 years, 9 months ago

∆Z/Z=∆A/A+∆B/B

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ANSWER

What are beats and what are neccessary conidition

Posted by Divyraj Bais 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Tripti Shah 6 years, 9 months ago

When two sound waves of same amplitude and slightly diffrent frequencys trevelling in same direction in a straight line suprimose , the intensity of sound at one places does notremain constant but alternatly decreases and increases . This phenomenon is called beat .

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Dimensional formula of torque and calorie

Posted by Ishan Jain 5 years, 8 months ago

CBSE > Class 11 > Physics

1 answers

Anubhav Kumar 6 years, 9 months ago

Torque and Calorie - ML2T-2

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Newton's law of cooling derivation

Posted by Saloni Maurya 6 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Shatayu Ganvir 6 years, 9 months ago

Rate of cooling depends on temperature difference

0Thank You

Samya Parmar 6 years, 9 months ago

Rate of cooling depends on temperature

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ANSWER

Newton's law of cooling full derivation

Posted by Saloni Maurya 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

if a sonometer wire of length 110 cm is stretch with a tension t and fixed at its ends is divided into three segment by placing two bridges velow, then where the bridges should be placed so that the fundamental frequencies of the segment are in ratio 1:2:3

Posted by Shreya Raj 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A) show that for two complementary angles of projectile of a projectile thrown with the same velocity, the horizontal ranges are equal. B) for what angle of projection of a projectile is the range maximum. C) for what angle of projection of a projectile are the horizontal range and maximum height attained by the projectile equal

Posted by Abhishek Verma 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How to numerical solve mimimum time

Posted by Aman Raj 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Daltons law of partial pressure

Posted by Ayush Kumar 6 years, 9 months ago

CBSE > Class 11 > Physics

2 answers

Prashant Singh 6 years, 9 months ago

according to dalton law of partial preesure the total pressure exerted by a mixuture of non reactive gas is equal to sum of the individual partial preesure under the same condition of temperatures and pressure.

3Thank You

Shivshant Prasad 6 years, 9 months ago

It states that total pressure exercterd by mixture of 2 or more than 2 ideal,non reactive gases is equal to sum of the partial pressure excerted by each gas if it occupies same volume at same temp

3Thank You

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Obtain an expression for a stationary wave formed by two sinusoida wave travelling along the same path in opposite direction and obtain the position of nodes and antinodes.

Posted by Azãy Khãdgî 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A rope of length 20cm is hanged over a roof over a roof of the surface if a pushed with an angle 30degree with the horizontal if the mass of the block is 2kg then find the P.E K.E of the block at this point

Posted by Golu Kumar 6 years, 9 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Cp-Cv =R

Posted by Saurabh Kumar 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Tripti Shah 6 years, 9 months ago

Always Cp is greater than Cv and their difference is denoted by R (and R is a constant also)

0Thank You

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Doubt in question 52 HCV sound waves. Anyone?

Posted by Shubham Sinha 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Shatayu Ganvir 6 years, 9 months ago

How much u scored in class 10

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ANSWER

If the Projectile is fired with the velocity ' u ' making an angle theta with horizontal then derive expression for (a) Time of flight (b) maximum height attained and (c) Range

Posted by Mahavir Rawat 6 years, 9 months ago

CBSE > Class 11 > Physics

1 answers

Nikita Kumar 6 years, 9 months ago

U don't have ncert book bro???

0Thank You

ANSWER

pascl law

Posted by Raj Keshari 6 years, 9 months ago

CBSE > Class 11 > Physics

4 answers

Kunjali? Verma 6 years, 9 months ago

In equilibrium condition of liquid pressure is same at all poiny

2Thank You

Samya Parmar 6 years, 9 months ago

Pressure exerts on wall is equal in all directions

2Thank You

Deepu Prajapati 6 years, 9 months ago

Pollution

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Ďãřşháñăã Yadav ? ? ? 6 years, 9 months ago

it states that the increase in pressure at a point in the enclosed liquid in equilibrium is transmitted equally in all directions in liquid and to the Walls of the container .

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