Question # 1

The work done in moving a body between two points in a conservation field is independent of the:

Choose an answer

Direction

Force applied

Path followed by the body

Power

The magnitude of the force producing an acceleration of 10 m/sec2 in a body of mass 500 grams is:

Choose an answer

3 N

4 N

5 N

6 N

When a platinum wire is heated, it appears orange red at

Choose an answer

500°C

900°C

1100°C

1300°C

Which one of the following is dimensionless:

Choose an answer

Acceleration

Velocity

Density

Angle

The field in which work done in moving a body between two points depends upon the path followed is called:

Choose an answer

Conservative field

Non-conservative field

Electric field

None of these

If electric and gravitational force on an electron in a uniform electric field will be

Choose an answer

E=mg/q

E=q/mg

E=,g/q

E=qg/m

SI unit of frequency is

Choose an answer

second

hertz

revolution

vibrations/sec

Work done along a closed path in a gravitational field is:

Choose an answer

Maximum

Minimum

Zero

Unity

When a fluid is in motion, its flow can be considered as

Choose an answer

turbulent

streamline

either or them

neither of them

The study of physics involves?

Choose an answer

Structure of space and time

Interaction of electromagnetic radiation with matter

Both of them

Chemical changes

None of them

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

The maximum drag force on a falling sphere is 9.8 N,it weight is

Choose an answer

1 N

9.8 N

4.9 N

Cannot be calculated

When a large number of atoms are brought close to one another to form a solid, each energy level of an isolated atom splits into sub-levels, called

Choose an answer

energy bands

energy shells

states

all of them

The center of gravity is also called

Choose an answer

Centre of mass

Centre of body

Centre of force

None of these

Bodies falling freely under gravity provide good example of motion under

Choose an answer

non-uniform acceleration

uniform acceleration

variable acceleration

increasing acceleration

The typical speed of human swimming is

Choose an answer

1.5 ms^-1

2 ms^-1

2.5 ms^-1

3.0 ms^-1

The critical temperature Tc for Aluminium is

Choose an answer

2.1 K

1.1 K

1.18 K

1.19 K

The phenomenon of radioactivity is associated with:

Choose an answer

Fission of nucleus

Disintegration of neutrons

Emission of spectral lines

Spontaneous disintegration of the nuclei of atoms

Which will be more effective in knocking a bear down

Choose an answer

A rubber bullet

Lead bullet of same momentum

A wood bullet

None of these

The SI units of acceleration is

Choose an answer

LT

LT^-1

LT^-2

L²T^-2

In uniform circular motion the angular acceleration vector is

Choose an answer

Constant in magnitude and direction both

Constant in magnitude only

Constant in direction only

Varies in magnitude and direction both

The wavelength of refractive wave in a denser medium is

Choose an answer

Same as that of the incident wave

Become smaller than the incident

Becomes greater than the incident wave

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