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AIIMS (All India Institute of Medical Sciences) Physics: Questions 385 - 391 of 500
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Question 385
Question MCQ▾
In the figure given below, the position – time graph of a particle of mass 0.5 kg is shown. The impulse at t = 3 sec is –
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 386
Question MCQ▾
If the radius of a planet is R and density of same planet is , another planet having radius and density and respectively; then the ratio of accelerations due to gravity of these both planet is –
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | 4 | |
d. | 6 |
Question 387
Question MCQ▾
How far will a body free – fall in 2 second if released from rest?
Choices
Choice (4) | Response | |
---|---|---|
a. | 0.0 m | |
b. | 9.8 m | |
c. | 4.9 m | |
d. | 19.6 m |
Question 388
Question MCQ▾
A solid sphere of diameter D and density has a spherical cavity of diameter inside it. If it just floats completely immersed in a liquid of density , then the ratio is –
Choices
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a. | ||
b. | ||
c. | ||
d. |
Question 389
Question MCQ▾
Find the magnitude of pressure amplitude in a sound of intensity . Density of air at STP .
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 390
Question MCQ▾
The vector and are perpendicular to each other. The positive value of is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 5 | |
b. | 6 | |
c. | 3 | |
d. | 10 |
Question 391
Question MCQ▾
A body dropped from a height with an initial speed zero, strikes the ground with a velocity . Another body of same mass is dropped from the same height ‘h’ with an initial speed . Find the final velocity of second body, with which it strikes the ground.
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |