Question # 1

When a body moves along a circular path with constant speed, it has an acceleration, which is always directed

Choose an answer

Along the tangent

Towards the centre

Away from the centre

None of them

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

The energy of a photon is represented by

Choose an answer

h/c²

h/T

hc²

hf/c²

A the top of the trajectory of a projectile, the directions of its velocity and acceleration are

Choose an answer

Perpendicular to each other

Parallel to each other

Inclined to each other at an angle of 45°

Anitparallel to each other

The half life of uranium-238 is

Choose an answer

6.2 x 10⁹years

4.5 x 10⁹days

4.5 x 10⁹years

1.3 x 10⁶years

The magnifier forms a virtual image of the object at:

Choose an answer

Least distance of distinct vision

Much farther than the least distance

Both A and B are correct

None of these

If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us

Choose an answer

parabola

straight line

hyper bola

ellipse

Momentum is a parameter associated with

Choose an answer

wave motion

particle motion

neither wave nor particle motion

none of these

At low speeds, the drag force is

Choose an answer

proportional to speed

inversely proportional to speed

not simply proportional to speed

none of them

Crystalline solids are in the form of:

Choose an answer

Metals

Ionic Compounds

Ceramics

Both (A) and (B)

All of these

The instantaneous velocity is define as the limiting value of Δd/Δt on the time intervalΔt approaches to

Choose an answer

zero

maximum

minimum

infinity

The typical speed of human running is

Choose an answer

1 ms^-1

2 ms^-1

4 ms^-1

5 ms^-1

A tritium and alpha particle enter the magnetic field with same kinetic energy, what will be the ratio of their radii?

Choose an answer

3:4

√3: 1

√3: 4

√3:√2

Bernoulli s equation applicable in the case of

Choose an answer

Streamlined flow of compressible fluids

Streamlined flow of incompressible fluids

Turbulent flow of compressible fluids

The period of a satellite when there is critical velocity is

Choose an answer

80 min approx

84 min approx

82 min approx

90 mix approx

Total area of cross section is 0.25 m². If blood is flowing at rate of 100 cm³ /s then average velocity of flow of blood through capillaries is

Choose an answer

4mm/s

0.4mm^-1

400mms^-1

None

Orbital velocity of an object mass m is proportional to

Choose an answer

m°

m²

m

m³

The value of g at the center of earth is:

Choose an answer

Double

Zero

10 time larger than earth

Infinite

Two balls of different masses have same K.E then

Choose an answer

The heavier ball has greater momentum than the lighter ball

Lighter ball has greater momentum than the heavier ball

Both the balls have equal momentum

Both the balls have zero momentum

Newton's third law also says that action and reaction forces always act on the

Choose an answer

Different bodies

Same bodies

Only one body

None of these

Selenium is an insulating material when exposed to

Choose an answer

Light

Dark

Monochromatic light

None of these

If the distance between two masses is doubled, the gravitational attraction between them

Choose an answer

Is doubled

Becomes four times

Is reduced to half

Is reduced to a quarter

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