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Physics

Physics
Find the acceleration (in m/s2) of a body which accelerates from 25 m/s to 30 m/s in 10 seconds

11
1
0.5
5.5

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Physics
In case of uniform circular motion, the acceleration is

Variable in magnitude but constant in direction
Constant in magnitude and directed radially inwards
Variable in magnitude but tangential to the circle
Zero

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Physics
The function of ball bearings in a wheel is :

To convert kinetic friction into rolling friction
To increase friction
Just for convenience
To convert static friction into kinetic friction

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Physics
What is the other name of Galileo's law of falling bodies?

Law of motion
Newton's first law
Newton's second law
Newton's third law

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Physics
Light travels at the fastest speed in:

vacuum
hydrogen
glass
water

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Physics
Who among the following developed the technology of underground nuclear explosion ?

Dr. Raja Ramanna
Dr. Homi J. Bhabha
Dr. P. K. Iyengar
Dr. Vikram Sarabhai

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