AIIMS Physics: Questions 70 - 75 of 500

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Question number: 70

» Magnetic Effects of Current and Magnetism » Magnetic Moment

Appeared in Year: 2004

MCQ▾

Question

The magnetic moment of a current (I) carrying circular coil of radius (r) and number of turns (n) varies as – [AIIMS]

Choices

Choice (4) Response

a.

r

b.

1r

c.

r2

d.

1r2

Question number: 71

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

Appeared in Year: 1995

MCQ▾

Question

The reactance of an inductance of 0.01H for 50 Hz A. C. is – [AIIMS]

Choices

Choice (4) Response

a.

0.84 Ω

b.

3.14 Ω

c.

1.57 Ω

d.

6.28 Ω

Question number: 72

» Kinematics » Projectile Motion

Appeared in Year: 2009

MCQ▾

Question

Two projectiles are fired from the same point with the same speed at angles of projection 60° and 30° respectively. Which one of the following is true – [AIIMS]

Choices

Choice (4) Response

a.

Their maximum height will be the same

b.

Their landing velocity will be the same

c.

Their horizontal range will be the same

d.

Their time of flight will be the same

Question number: 73

» Rotational Motion » Conservation of Angular Momentum

Appeared in Year: 2002

MCQ▾

Question

The angular momentum of body remains conserve if – [AIIMS]

Choices

Choice (4) Response

a.

Applied force on body is zero.

b.

Applied torque on body is zero.

c.

Applied force on body is constant.

d.

Applied torque on body is constant.

Question number: 74

» Wave Optics » Interference

Appeared in Year: 2002

MCQ▾

Question

What is the path difference for destructive interference – [AIIMS]

Choices

Choice (4) Response

a.

nλ

b.

(n+1)λ2

c.

(2n+1)λ2

d.

n(λ+1)

Question number: 75

» Electrostatics » Capacitors

Appeared in Year: 1995

MCQ▾

Question

If the distance between the plats of a parallel plate capacitor is halved and the dielectric is doubled, then its capacity will: [AIIMS]

Choices

Choice (4) Response

a.

Increase by 2 times

b.

Remain the same

c.

Increase by 4 times

d.

Increase by 6 times

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