AIIMS (All India Institute of Medical Sciences) Physics: Questions 302 - 306 of 500

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Question number: 302

» Communication System » Sky and Space Wave Propagation

MCQ▾

Question

For sky wave propagation of a 18 MHz signal, what should be the minimum electron density in ionosphere –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 303

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A bullet loses Equation of its velocity when it passes through a plank. Find the maximum number of planks through which it can pass.

Choices

Choice (4) Response

a.

10

b.

5

c.

3

d.

9

Question number: 304

» Kinematics » Relative Velocity

MCQ▾

Question

A boy standing on a long rail road car throws a ball up (straight) with a velocityEquation . The car is moving on the horizontal road with acceleration 3Equation , How far behind the boy will the ball fall?

Choices

Choice (4) Response

a.

12m

b.

8m

c.

Equation

d.

48 m

Question number: 305

» Kinematics » Motion in a Straight Line

MCQ▾

Question

A body is thrown horizontally with a velocity Equation from the top of a tower of height h. It strikes the level ground through the foot of the tower at a distance Equation from the tower. The value of x is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 306

» Laws of Motion » Impulse

MCQ▾

Question

In below figure between two rigid walls P and Q, a block of mass Equation is moving with constant velocity Equation , towards a spring of spring constant Equation . The block is moving from P and strikes at the end R of the spring at distance Equation . If the collision between the block and wall P is perfectly elastic, the time period T (in seconds) of the motion of the block will be –

A block is moving toward a spring

A Block Is Moving Toward a Spring

In figure, a block is moving towards a spring between two rigid walls P and Q.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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