Question # 1

If we connected the ordinary DC ammeter to measure alternating current, it would measure its:

Choose an answer

Instantaneous value

RMS value

Value averaged over a cycle

Either (B) or (C)

Either (A) or (C)

If we draw a graph between d(along x-axis) and F (along y-axis) and get a straight line horizontal to x-axis then area under this straight line represents:

Choose an answer

Power

Work

Pressure

None of these

Associated with the motion of a driven harmonic oscillator, there is a very striking phenomenon, know as

Choose an answer

waves

beat

interference

resonance

Which of the following is not thermo dynamical function?

Choose an answer

Enthalpy

Work done

Gibb's energy

Internal energy

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

The waves produced in a microwave oven have wavelength.

Choose an answer

12 mm

12 cm

12 m

12 mm

Crystal of germanium or silicon in its pure form at absolute zero acts as:

Choose an answer

A conductor

A semiconductor

an insulator

Both (A) and (C)

Both (A) and (B)

If d is the displacement of the body in time t, then its average velocity will be

Choose an answer

V_av= d x t

V_{av = t/d}

V_{av = d/t}

The decrease in velocity per unit time is called:

Choose an answer

Variable Acceleration

Average Acceleration

Retardation

None of these

Which of the following is scalar quantity?

Choose an answer

Electric potential

Velocity

Momentum

Force

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

On Celsius scale freezing point of water is taken as

Choose an answer

0°C

100°C

180°C

None of these

The angular momentum of a body is conserved if

Choose an answer

Force acting on it is zero

Torque acting on it is zero

Force acting on it is constant

Torque acting on it is constant

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 junction potential for Germanium is;

Choose an answer

3v

0.3 v

7v

0.7 v

In projectile motion the vertical acceleration is

Choose an answer

Zero

Maximum

'g'

None of these

The spectrum of a star’s light is measured and the wavelength of one of the lines as thesodium’s line is found to be 589 nm. The same line has the wavelength of 497 nm whenobserved in the laboratory. This means the star is

Choose an answer

Moving away from the earth

Moving towards the earth

Stationary

Revolving around the planet

Which of the following is an example of Brittle substances?

Choose an answer

Copper and Brass

Brass and glass

Copper and glass

Only glass

The mass of the object is a quantitative measure of

Choose an answer

Motion

Momentum

Inertia

None of these

Which one of the following can act approximately as a source of monochromatic light

Choose an answer

Neon lamp

Fluorescent tube

Sodium lamp

none of these

The ultra-purity of optical fibre is

Choose an answer

90 %

99 %

99.9 %

99.99 %

The least count of stop watch is 0.10 sec,The time of 20 vibrations of pendulum is 40 sec The maximum possible percentage uncertainly in time period is

Choose an answer

0.016

0.10

0.001

0.005

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