AIIMS Physics: Questions 336 - 340 of 500

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Question number: 336

» Work, Energy and Power » Work-Energy Theorem

MCQ▾

Question

A bullet when fired at a target with a velocity of Equation , penetrates 4.5 meter into it. If the bullet is fired with the same velocity at a similar target with a thickness 0.5 meter, then it will emerge from it with a velocity of –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

All of the above

Question number: 337

» Rotational Motion » Concepts of Rotational Motion

MCQ▾

Question

A particle moves on a circle of radius Equation such that the distance covered on the circle varies with time according to the law, Equation . What is the total acceleration of the particle at Equation .

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 338

» Properties of Solids & Liquids » Elastic Behavior

MCQ▾

Question

Consider a long uniform steel wire has a radius of 1.5 mm. If the speed of the transverse wave on it equal to Equation , than the tension in the wire is – (The density of steel is Equation )

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 339

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

MCQ▾

Question

If vibrations of a string are to be increased to a factor of six, then tension in the string must be made –

Choices

Choice (4) Response

a.

3 times

b.

9 times

c.

36 times

d.

6 times

Question number: 340

» Kinematics » Uniform and Non-Uniform Motion

MCQ▾

Question

When a ball is thrown up vertically with velocity V0, it reaches a maximum height of ‘h’. If one wishes to half the maximum height then the ball should be thrown with velocity -

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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