Two particles A and B are moving in a uniform circular motion in concentric circles of radii with speeds respectively. Their time periods of rotation are the same. The ratio of angular speed of A to that of B will be:
1. 1: 1
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes with respect to north is given by:
1. 45 west of north
2. 30 west of north
3. 0 west of north
4. 60 west of north
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle starting from rest moves in a circle of radius 'r'. It attains a velocity of m/s on completion of n rounds. Its angular acceleration will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo bullets are fired horizontally and simultaneously towards each other from rooftops of two buildings (building being 100 m apart and being of the same height of 200 m) with the same velocity of 25 m/s. When and where will the two bullets collide? (g = 10 m/)?
1. after 2s at a height of 180 m
2. after 2s at a height of 20 m
3. after 4s at a height of 120 m
4. they will not collide.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA car starts from rest and accelerates at . At t = 4s, a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at t = 6 s?
(Take g = 10 m/s2)
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA particle moving in a circle of radius R with a uniform speed takes a time T to complete one revolution. If this particle were projected with the same speed at an angle to the horizontal, the maximum height attained by it equals 4R. The angle of projection, , is then given by:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyRain is falling vertically downward with a speed of 35 m/s. Wind starts blowing after some time with a speed of 12 m/s in East to West direction. The direction in which a boy standing at the place should hold his umbrella is:
1. \(tan^{-1}\Big(\frac{12}{37}\Big)\)with respect to rain
2. \(tan^{-1}\Big(\frac{12}{37}\Big)\) with respect to wind
3. \(tan^{-1}\Big(\frac{12}{35}\Big)\) with respect to rain
4. \(tan^{-1}\Big(\frac{12}{35}\Big)\) with respect to wind
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology