AIIMS (All India Institute of Medical Sciences) Physics: Questions 256 - 260 of 500

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Question number: 256

» Laws of Motion » Centripetal Force

MCQ▾

Question

A body of mass 7 kg is moving in a circle of diameter 2 m with an angular velocity of. The centripetal force is –

Choices

Choice (4) Response

a.

350 N

b.

75 N

c.

175 N

d.

100 N

Question number: 257

» Oscillations and Waves » Wave Motion

Appeared in Year: 2000

Assertion-Reason▾

Question

Assertion (Ꭺ)

Like sound, light cannot propagate in vacuum.

Reason (Ꭱ)

Sound is a square wave. It propagates in a medium by virtue of damping oscillation.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 258

» Electromagnetic Induction & Alternating Currents » LCR Series Circuit

MCQ▾

Question

A capacitor of capacitance is connected in the tank circuit of an oscillator oscillating with a frequency of 2 kHz. If the current flowing in the circuit is 5 mA, the voltage across the capacitor will be –

Choices

Choice (4) Response

a.

0.133 V

b.

0.165 V

c.

81.5 V

d.

159 V

Question number: 259

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

MCQ▾

Question

The current passing through a choke coil of 12 H is decreasing at the rate of. The emf developing across the coil is –

Choices

Choice (4) Response

a.

6 V

b.

– 6 V

c.

12 V

d.

– 12 V

Question number: 260

» Kinematics » Projectile Motion

MCQ▾

Question

The velocity of projection of an oblique projectile is The horizontal range of the projectile is –

Choices

Choice (4) Response

a.

b.

c.

d.

f Page