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What do you mean by statement that SI is a coherent system of unit

Posted by Palak Preet 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

A man wishes to estimate the distance of a nearby tower from him he stands at a point a in front of the tower c and spots a very distant object o in a line with ac he then walks perpendicularly to AC up to B a distance of 100 m and looks at o and C again since o is very distant the direction Bo is practically the same as AO but he finds the line of side of c shifted from the original line of side by an angle parallex = 40 estimate the distance of the tower C from his original position

Posted by Doriza Jyrwa 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The volume of a cube of side 1 cm is equal to. M3

Posted by Jeevan Doss 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Dalim Kumar 2 years, 2 months ago

10^-6m³

ANSWER

A man walks on a straight road from his home to a market 2.5km away with a speed of 5kmh-1 finding the market closed he instantly turns and walks back home with a speed of 7.5k h-1 what is the

Posted by Farida Kulsum 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Check the correctness of equation v2 =u2+2ac

Posted by Deekha V H Harikantra 2 years, 3 months ago

CBSE > Class 11 > Physics

2 answers

Jehan Baria 2 years, 2 months ago

v^2=u^2+2as

Jashan Bawa 2 years, 3 months ago

V²-u²=2as

ANSWER

to verify the consistency or correctness of the following physical equation or formula of speed of sound in air v=✓ P/✓d

Posted by Krity Kumari 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

If water drop are falling in a regular time of interval from the roof of height 6 meter in such a way such that when 1st drop reach the ground 3rd drop ready to leave the roof .Locate the position of 2nd drop?

Posted by Himanshi Malik 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Drive of subtration of vectors

Posted by Pushkar Chauhan 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

How to prepare for jee from class 10,explain it please

Posted by Suyash Shubham 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

State comparative magnitude of Basic forces between two protons

Posted by Gurpreet Singh 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Suyash Shubham 2 years, 3 months ago

IDK

ANSWER

A car is moving on a straight road from A to B for first one fourth distance with speed 40m/s and the next half with speed 80m/s and the last one fourth with speed 120m/s then the average speed of the car will be

Posted by Shree Ghosh 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the introduction of projectile motion

Posted by Manya Gupta 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Hira Ansari 2 years ago

Projectile means when a body forms a parabola in atmosphere this called projectile or in a simple way when we threw an object in air it is not straightly go to down it forms some structure called projectile and the motion by a body called projectile motion

ANSWER

Q31-A food packet is dropped from a helicopter which is elevating with velocity of 2m * s ^ - 1 . After 2s, (i) What is velocity the packet, (ii) What is height of the packet below the helicopter?

Posted by Mohd Faiz Alam 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is Heisenberg uncertainty principle

Posted by Biky Das 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Jashan Bawa 2 years, 3 months ago

It is impossible to measure simultaneously, the position and momentum of a small microscope moving particale with absolute accuracy or certainly Mathematically, ∆x × ∆p ≥h/4π (∆p=m∆v) ∆x × ∆p ≈h/4πm

ANSWER

Round off 18.35 upto 3 digit

Posted by Innocent Me 2 years, 3 months ago

CBSE > Class 11 > Physics

4 answers

Himanshi Malik 2 years, 3 months ago

18.4

Aditi Tiwari 2 years, 3 months ago

18.3 is correct answer because 2nd digit after decimal is odd

Surbhi Kumari 2 years, 3 months ago

18.4

Rutvik Vankar 2 years, 3 months ago

18.3

ANSWER

find rate of change of y with respect to time at (20,15) dx/dt = - 0.2 at x ^ 2 * y + y * x ^ 2 = 20

Posted by Khushi Bairathi 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Find ratio of distance travelled by particle in consecutive sec during upward and in downward journey

Posted by Juned Khan 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Y=fl/al

Posted by Minggame Sangma 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

The speed of a motor falls from 1100 r.p.m at no-lood to 1050 r.p.m at rated lood the speed regulation of motor is

Posted by Biky Das 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Find the direction of the magnetic field when an alpha partical which is projected towards west is deflected towards nort by it

Posted by Biky Das 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is a wave

Posted by Biky Das 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Aashna Meena 2 years, 3 months ago

Wave is continues form of energy

ANSWER

Are inertial and gravitational mass of a body different from each other

Posted by Mehak Bhatia 2 years, 3 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Find the area of parallelogram whose two sides are formed by vector A =3i+4j and B = 3i+ 7j

Posted by Nimsu .. 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Nazia Kazmi 2 years, 3 months ago

Can I ask some maths problem

ANSWER

What is power ?

Posted by Lawrence . B 2 years, 3 months ago

CBSE > Class 11 > Physics

1 answers

Avishka - 2 years, 3 months ago

power is the defined as the the rate of work done.its unit is watt.

ANSWER

Sin(3x+2)

Posted by Jddjdjdh Dgdhshsh 2 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Three resistance,each of 1 ohm are joined in parallel.three such combination are put in series.the equivalent resistance is given by

Posted by Android Aarav 2 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Avishka - 2 years, 3 months ago

resistance in parallel=1/3 resistance in series=3 equivalent resistance=10/3

ANSWER

Two vectors of magnitude 9 and 7 inclined to each other at 60°. What is the magnitude of the resultant? At what angle is the resultant inclined to the vector of magnitude 9?

Posted by Harman Malhi 2 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

What is the meaning of sine

Posted by Rinky Halwai 2 years, 4 months ago

CBSE > Class 11 > Physics

0 answers

ANSWER

Simple harmonic motion of spring

Posted by Abhijit Auddy 2 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Chandresh Tomar 2 years, 4 months ago

Hyy

ANSWER

What is poissons ratio

Posted by Jeetlal Yadav 2 years, 4 months ago

CBSE > Class 11 > Physics

1 answers

Jeetlal Yadav 2 years, 4 months ago

The ratio of lateral stress to the longitudinal stress

ANSWER

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