AIIMS MBBS Entrance Test 2019 Physics Paper with Answer & Solutions 25 May First Shift Part 5
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Q-20: A disc of radius and mass half is rolling on an inclined plane. Find out friction force so that disc performs pure rolling.
Image Friction Force Disc Performs Pure Rolling
Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solutions:
Image Friction Force Disc Performs Pure Rolling
.
Or
So
Q-21: If temperature of, radius of Sun is, radius of & distance between earth and. Find intensity of light on Earth.
Options:
(1)
(2)
(3)
(4)
Answer: (1)
Solutions:
Image Radius of Sun and Earth
Total energy emitted by
Energy received by earth
Q-22: If radius of. Find the time of relaxation.
Options:
(1)
(2)
(3)
(4)
Answer: (2)
Solutions:
Now
So