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AIIMS (All India Institute of Medical Sciences) Physics: Questions 119 - 123 of 500

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Question 119

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Appeared in Year: 2003

Question

MCQ▾

A ball is thrown vertically upwards. Which of the following plots represents the speed ⟶ time graph of the ball during its flight if the air resistance is not ignored [AIIMS]

Choices

Choice (4)Response
a.
Graph of speed verses time - Choice A
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b.
Graph of speed verses time - Choice B
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c.
Graph of speed verses time - Choice C
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d.
Graph of speed verses time - Choice D
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Question 120

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Appeared in Year: 2004

Question

MCQ▾

The cyclotron frequency of an electron gyrating in a magnetic field of 1 T is approximately – [AIIMS]

Choices

Choice (4)Response
a.280 MHz
b.28 Hz
c.2.8 GHz
d.28 GHz

Question 121

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Appeared in Year: 2005

Question

MCQ▾

Two concentric conducting thin spherical shells A and B having radii rA and rB are charged to QA and – QB (| QB| > | QA| ). The electrical field along a line, (passing through the centre) is: [AIIMS]

Choices

Choice (4)Response
a.
Electric field along line between 2 spherical shells(Choice-A)
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b.
Electric field along line betw 2 spherical shells (Choice-B)
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c.
Electric field along line betwe2 spherical shells (Choice-C)
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d.
Electric field along line bet 2 spherical shells (Choice-D)
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Question 122

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Question

MCQ▾

A body moves along the straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to: -

Choices

Choice (4)Response
a.
b.
c.
d.

Question 123

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Appeared in Year: 1996

Question

MCQ▾

The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of the magnet. A copper coil is added so that one pole of the magnet passes in and out of the coil. The coil is short-circuited. Then which of the following happens? [AIIMS]

Choices

Choice (4)Response
a.Period decreases
b.Period does not change
c.Amplitude increases
d.Oscillations are damped