AIIMS (All India Institute of Medical Sciences) Physics: Questions 429 - 433 of 500

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Question number: 429

» Kinematics » Scalars and Vectors » Scalar and Vector Products

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

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.

16: 1

b.

4: 1

c.

1: 2

d.

8: 1

Question number: 431

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

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

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.

d.

Zero

Question number: 433

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

Appeared in Year: 2006

MCQ▾

Question

A coil of inductive reactance has a resistance of . It is placed in series with a condenser of capacitative reactance . The combination is connected to an a. c. source of 110 volt. The power factor of the circuit is – (AIPMT)

Choices

Choice (4) Response

a.

b.

0.80

c.

0.64

d.

0.33

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