1
Q:

# Physical quantities, which have _______ only and no _______ are called scalar quantities.

 A) direction, magnitude B) magnitude, direction C) speed, velocity D) velocity, speed

Explanation:
Subject: Physics
Exam Prep: Bank Exams
Q:

If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.

 A) the axis of rotation B) the line of rotation C) the spinning rod D) the fixed line

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

1 6
Q:

___________________ is defined as the force acting per unit current per unit length on a wire placed at right angles to the magnetic field.

 A) Magnetic susceptibility B) Magnetic flux density C) Magnetic flux D) Magnetic pulse

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

0 7
Q:

____________________is a measure of the actual amount of water vapour in a particular sample of air: measured as a partial pressure.

 A) Specific Humidity B) Absolute Humidity C) Relative Humidity D) Dew Point

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

0 6
Q:

If the vector sum of torques acting on a system is zero, then the object is in _______.

 A) static equilibrium B) translatory equilibrium C) linear equilibrium D) rotational equilibrium

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

1 20
Q:

___________________states that the induced e.m.f. is directly proportional to the rate of change of magnetic flux linkage or rate of cutting of magnetic flux

 A) Lenz's Law B) Hooke's Law C) Ohm's Law D) Faraday's Law

Explanation:

Filed Under: Physics
Exam Prep: Bank Exams

0 12
Q:

Cryogenics is a branch of Physics that deal with ______.

 A) very high temperatures B) very low temperatures C) growth of extremely small crystals D) growth of extremely large crystals

Explanation:

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Exam Prep: Bank Exams

0 24
Q:

Instrument used for measuring specific gravity is called _____.

 A) Bathymeter B) Cryometer C) Areometer D) Cymometer

Explanation:

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0 15
Q:

_____ mirror is used in the headlights of cars.

 A) Semi-circular B) Conical C) Convex D) Concave