Question # 1

For a parallel resonant circuit at resonance, current from supply is

Choose an answer

minimum

maximum

zero

none of these

In 1932 Chadwick discovered

Choose an answer

proton

neutron

photon

electron

The equation of continuity is

Choose an answer

A₁A_{2 = V}₁V₂

A_1/_V_{1 =}A_2/V₂

_V_1/A₁₌V_2/A₂

A₁_V_{1 =}A₂V₂

Radium was discovered by:

Choose an answer

Becquerel

Marie curie

Pierre curie

Rutherford

Both (B) and (C)

The path (or trajectory) described by a projectile is

Choose an answer

a parabola

a hyperbola

a circle

a straight line

The concept of direction and position are purely

Choose an answer

absolute

relative

absolute or relative

none of these

When force and displacement are perpendicular to each other than work is equal to

Choose an answer

Unity

Infinity

Zero

-Fd

Silicon can be obtained from:

Choose an answer

Lead

Uranium

An isotope of oxygen

Sand

The fluid which is incompressible and non viscous is called

Choose an answer

Ideal fluid

Non-ideal fluid

Prefect fluid

All

The entity which measures the quantity of motion in a body is called

Choose an answer

force

energy

momentum

power

Fluids resist force, This property is called

Choose an answer

Stiffness

Strength

Ductility

Elasticity

An object undergoes S.H.M has maximum acceleration when its displacement form the means position

Choose an answer

maximum

zero

half of the maximum value

one third of the maximum value

A particle is moving along a circular path with uniform speed. Its projection will execute____along the____of the circle:

Choose an answer

Circular motion, circumference

Vibrator, chord

SHM, diameter

SHM, circumference

The motion of a body in a straight line is the motion in

Choose an answer

one dimension

two dimension

three dimension

four dimension

If one of the pipes has a much smaller diameter than the other and are placed horizontally then form both sides of Bernoulli's equation, we can drop the term

Choose an answer

P

1/2 fv²

pgh

none of them

The distance covered by a body in unit time is called.

Choose an answer

Displacement

speed

Velocity

Both B and C

Peak value of alternative current is:

Choose an answer

one of its Instantaneous value

Equal to its RMS value

The same as its peak-to-peak value

Both (B) and (C)

None of these

Transformer is used to

Choose an answer

Increase alternating current

Increase d.c voltage

Increase & Decrease emf

All answers are right

A piece of wire along which charges are made to accelerate is known as

Choose an answer

transmitting antenna

receiving antenna

modulator

nor of these

The effect of applying a force on a moving body is to change

Choose an answer

its direction of motion only

its speed of motion only

both the direction and speed of motion

its inertia only

Which quantity has different dimensions:

Choose an answer

Work

Pressure

Energy

Torque

Specific heat at constant pressure is greater than the specific heat at constant volume because

Choose an answer

Heat is used up to increase temperature at constant pressure

Heat is used by gas for expansions purposes at constant pressure

Heat is use dup to increase internal energy

The above statement is invalid

If the distance between two charges is doubled,the force between them will become:

Choose an answer

Double

Half

One third

One fourth

A body moves a distance of 10 m among a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which the force makes with the direction of motion of a body is:

Choose an answer

0°

30°

60°

90°

10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?

Choose an answer

Each have same number of molecules

Don't have same number of molecules

Can't be predicted

None

Centripetal acceleration is also called ______ acceleration:

Choose an answer

Tangential

Radial

Angular

None of them

When transistors are used in digital circuits they usually operate in the

Choose an answer

Active region

Breakdown region

Saturation and cutoff regions

Linear region

The expression for restoring force is

Choose an answer

F=ma

F=kx

F= -kx

Kx=ma

Electric intensity at a place due to a charged conductor is a

Choose an answer

Scalar quantity

Vector quantity

Semi vector and semi scalar

Dimensionless quantity

Both A and D are true

Work has the dimension as that of:

Choose an answer

Torque

Angular momentum

Linear momentum

Power

The graphical representation of ohm's law is

Choose an answer

hyperbola

straight line

ellipse

parabola

More Classes

Other Links

ECAT Pre General Science Physics Online Test 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

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