AIIMS (All India Institute of Medical Sciences) Physics: Questions 427 - 432 of 500

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Question number: 427

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

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MCQ▾

Question

Which of the following cannot be deflected by magnetic field?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 428

» Dual Nature of Matter and Radiation » Photoelectric Effect

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Appeared in Year: 1999

MCQ▾

Question

Light of wavelength in Photoelectric effect gives electron of maximum Kinetic Energy . If wavelength change to then maximum kinetic energy of emitted electrons will be – [AIPMT]

Choices

Choice (4)Response

a.

Greater than 0.5 eV

b.

0.5 eV

c.

Photoelectric effect does not occurs

d.

Less than 0.5 eV

Question number: 429

» Kinematics » Scalars and Vectors » Scalar and Vector Products

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MCQ▾

Question

If , then find the angle between P and Q.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 430

» Atoms and Nuclei » Half Life and Mean Life

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Appeared in Year: 1998

MCQ▾

Question

Half – life period of two radioactive substance are are 40 minute and 20 minute respectively, then after 80 minute ratio of the remaining nuclei will be – (Initially both have equal active nuclei) [AIPMT]

Choices

Choice (4)Response

a.

4: 1

b.

8: 1

c.

16: 1

d.

1: 2

Question number: 431

» Dual Nature of Matter and Radiation » Einstein's Photoelectric Equation

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Appeared in Year: 1993

MCQ▾

Question

The wavelength of a photon is . What is the frequency of photon: [AIPMT]

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 432

» Magnetic Effects of Current and Magnetism » Electric Charge Moving in Magnetic Field

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MCQ▾

Question

A charge with and mass moving with a velocity of along axis. A uniform static magnetic field of is acting along the y – axis. The magnetic force (magnitude and direction) on charge –

Choices

Choice (4)Response

a.

b.

c.

Zero

d.

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