Question # 1

Gaussian surface is always:

Choose an answer

Rectangular

Spherical

Cylindrical

Box shape

Any of these

Work done by the force of friction is always

Choose an answer

Positive

Zero

Negative

Maximum

During the upward motion of the projectile, the vertical component of velocity.

Choose an answer

Decreases

Increases

Remains constant

None of these

Radian is defined as the angle subtended at the center of a circle by an arc of:

Choose an answer

Length equal to its diameter

Length equal to its radius

Any length

None of these

At ordinary temperature, an increase in temperature increases the conductivity of

Choose an answer

Conductor

Semiconductor

Insulator

Alloy

Most of the geysers occur in:

Choose an answer

Volcanic regions

Magnetic regions

Northern region

None of these

A shunt resistance parallel to the galvanometer is used to convert it into

Choose an answer

avometer

millimeter

voltmeter

none of these

The rate of decay of radioactive substance

Choose an answer

is constant

decrease exponentially with time

varies inversely as time

decreases linearly with time

The SI unit of magnetic induction is

Choose an answer

Weber

Weber/meter

Henry

Tesla

Electromagnetic waves emitted by hot bodies are called:

Choose an answer

Photoelectrons

Alpha rays

Thermal radiation

None of these

A circuit has a resistance of 11Ωan inductive reactance of 25Ωand a capacitance reactance of 18Ω. It is connected to an a.c. source of 200 V and 50 Hz. The current through the circuit (in amperes) is

Choose an answer

11

15

18

20

At every degree Celsius rise of temperature, the volume of a given mass of a gas at constant pressure increases by

Choose an answer

1/273 of its value at 0°C

1/373 of its value at 0°C

1/173 of its value of 0°C

1/700 of its value at 0°C

Deceleration means the speed of the body is

Choose an answer

Increasing

Decreasing

Just moving

None of these

The length breadth and thickness of a block are given by 1= 12 cm b= 6 cm and t= 2.45 cm.the volume of the block according to the idea of significant figures should be:

Choose an answer

1 x10² cm³

2 x 10² cm³

1.763 x 10² cm³

None of these

The positions of two aeroplanes at any instant are at A (2, 3, 4) and B(5, 6, 7) from the origin in km. Find the distance between the two aeroplanes.

Choose an answer

3.2 Km

4.9 Km

5.0 Km

5.2 Km

Which optical fibre is used for shorter distances only?

Choose an answer

single mode step index fibre

multi-mode step index fibre

multi-mode graded index fibre

all of them

In colour printing, the entire range of colours uses just

Choose an answer

Three colours

Four colours

Five colours

None of these

The branch of physics which concerned with the ultimate particles of which the universe is composed is known as

Choose an answer

Solid state Physics

Particle Physics

Nuclear Physics

Atomic physics

Which of the following is an optical fibre in which the density of central core decreases towards its periphery?

Choose an answer

multi-mode step index fibre

multi-mode graded index fibre

both of them

none of them

The valence energy band can never be

Choose an answer

Filled

Partially filled

Empty

None of these

The diodes works on

Choose an answer

A.C

D.C

both A and B

None of these

Speed of light in vacuum is

Choose an answer

0 ms^-1

3 x 10⁸ms^-1

1.5 x 10⁸ms^-1

None of these

More Classes

Other Links

Physics General Science Test Medium Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer