AIIMS Physics: Questions 133 - 138 of 500

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Question number: 133

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

Question

The angle between the two vectors A=3i^+4j^+5k^ and B=3i^+4j^5k^ will be:

Choices

Choice (4) Response
a.

45°

b.

180°

c.

zero

d.

90°

Question number: 134

» X - Rays » Continuous and Characteristic X - Ray

Appeared in Year: 2003

MCQ▾

Question

Characteristic X-rays are produced due to [AIIMS]

Choices

Choice (4) Response
a.

Heating of the target.

b.

Transition of electrons from higher to lower electronic orbits in an atom.

c.

Transfer of momentum in collision of electrons with target atoms.

d.

Transfer of energy in collision of electrons with atoms in the target.

Question number: 135

» Laws of Motion » Law of Conservation of Linear Momentum

MCQ▾

Question

A gun of weight of 10 kg fires a shot of 0.5 g with a velocity 230ms . Velocity of recoil gun is: -

Choices

Choice (4) Response
a.

1.51cms

b.

1.10cms

c.

1.5cms

d.

1.15cms

Question number: 136

» Kinematics » Scalars and Vectors » Vector Addition and Subtraction

MCQ▾

Question

Two vectors of equal magnitude have a resultant equal to either of them in magnitude. The angle between them is:

Choices

Choice (4) Response
a.

120°

b.

90°

c.

105°

d.

60°

Question number: 137

» Magnetic Effects of Current and Magnetism » Current Loop as Magnetic Dipole

Appeared in Year: 1990

MCQ▾

Question

The radius of circular loop is r and a current i is flowing in it. The equivalent magnetic moment will be: [AIPMT, AIIMS 98]

Choices

Choice (4) Response
a.

2πir

b.

iπr2

c.

ir2

d.

ir

Question number: 138

» Kinematics » Uniform and Non-Uniform Motion

Appeared in Year: 2005

MCQ▾

Question

When a ball is thrown up vertically with velocity V0, it reaches a maximum height of ‘h’. If one wishes to triple the maximum height then the ball should be thrown with velocity - [AIIMS]

Choices

Choice (4) Response
a.

9V0

b.

32V0

c.

3V0

d.

3V0

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