AIIMS Physics: Questions 86 - 90 of 500

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Question number: 86

» Oscillations and Waves » Displacement as a Function of Time

Appeared in Year: 1999

MCQ▾

Question

A particle executes simple harmonic motion with an angular velocity and maximum acceleration of 3.5rads . and 7.5ms2 respectively. Amplitude of the oscillation is – [AIIMS]

Choices

Choice (4) Response

a.

0.53 m

b.

0.36 m

c.

0.28 m

d.

0.61m

Question number: 87

» Magnetic Effects of Current and Magnetism » Magnetic Moment

Appeared in Year: 2006

MCQ▾

Question

The magnetic moment has dimensions of – [AIIMS]

Choices

Choice (4) Response

a.

[L2A]

b.

[LT1A]

c.

[L2T1A]

d.

[LA]

Question number: 88

» Properties of Solids & Liquids » Viscosity

Appeared in Year: 2004

MCQ▾

Question

A sphere of mass M and radius R is falling in a viscous fluid. The terminal velocity attained by the falling object will be proportional to –

[AIIMS]

Choices

Choice (4) Response

a.

1R2

b.

R

c.

1R

d.

R2

Question number: 89

» Electrostatics » Dielectrics and Electric Polarization

Appeared in Year: 2001

MCQ▾

Question

Two materials of dielectric constant k1 and k2 are filled between two parallel plates of a capacitor as shown in figure. The capacity of the capacitor is: [AIIMS]

Choices

Choice (4) Response

a.

A0(k1+k2)2d

b.

A02d(k1+k2k1k2)

c.

A0d(k1k2k1+k2)

d.

2A0d(k1k2k1+k2)

Question number: 90

» Electromagnetic Induction & Alternating Currents » Self and Mutual Inductance

Appeared in Year: 1982

MCQ▾

Question

The current passing through a choke coil of 5 H is decreasing at the rate of 2amperesecond . The emf developing across the coil is – [CPMT, MPPMT-90, AIIMS-97]

Choices

Choice (4) Response

a.

2.5 V

b.

– 10 V

c.

10 V

d.

– 2.5 V

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