Question # 1

Silicon can be obtained from:

Choose an answer

Lead

Uranium

An isotope of oxygen

Sand

The locus of all points in a medium having same phase of vibration is called

Choose an answer

Crest

Trough

Wavelength

Wave-front

If m is the mass of the gases ejected per second with velocity v relative to the rocket of mass M, then the acceleration of rocket is

Choose an answer

a = M/mv

a = mM/v

a = mv/M

a = v/mm

0.1 kg mass will be equivalent to the energy

Choose an answer

9 x 10¹⁵J

5 x 10⁸J

6 x 10¹⁶J

9 x 10^-16J

When a conductor moved with its length parallel to the lines of magnetic fled:

Choose an answer

An emf is induced across its ends

Emf induced is similar to that of a battery

Emf passes through the conductor

Both A and B

None of these

Decibel is unit of

Choose an answer

Intensity of light

x-ray radiation capacity

sound loudness

Energy of radiation

The L-C parallel circuit the capacitor draws a

Choose an answer

leading current

lagging current

main current

none of these

The work performed on an object does not depend on:

Choose an answer

Force applied

Angle at which force is inclined to the displacement

Initial velocity of the object

Displacement

The vibratory or oscillatory motion of a body is

Choose an answer

translatory motion

back and forth motion about its mean position

free all motion

circular motion

Proton was discovered by Rutherford in

Choose an answer

1915

1906

1910

1920

The SI unit of electric field intensity is

Choose an answer

CN^-1

NC^-1or Vm^-1

JC^-1

AV^-1

The minimum distance between an object and its image in a convex lens is

Choose an answer

2 f

2.5 f

3 f

3.5 f

Which phenomenon of light takes place in Young's double-slit experiment?

Choose an answer

polarization of light

diffraction of light

interference of light

reflection of light

The minimum velocity necessary to put a satellite into the orbit is called critical velocity of the value

Choose an answer

6.7 kms^-1

7.9 kms^-1

8.1 kms^-1

9.1 kms^-1

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

For which position will be maximum blood pressure in a body have the smallest value

Choose an answer

Standing upright

Sitting relaxed

Lying horizontally

Standing on one's head

The equation W = ________𝜟U represents:

Choose an answer

Thermal process

adiabatic process

Isobaric process

None of these

The experimental evidence in support of wave theory in Huygen's time was

Choose an answer

not present

not convincing

convincing

none of them

An average energy used to make a car is

Choose an answer

4 × 10⁷ J

9 × 10⁹ J

7 × 10⁸ J

8 × 10⁹ J

Which one of the following phenomenon cannot be explained by the wave theory of light ?

Choose an answer

Reflection

Refraction

Photoelectric effect

Diffraction

Which effect provides direct experimental evidence that light is a transverse rather than a longitudinal wave motion?

Choose an answer

Light can be diffracted

Two coherent light waves can be made to interfere.

The intensity of light from a point source falls off inversely as the square of the distance from the source

Light can be polarized

In an inkjet printer, the toner drops are

Choose an answer

Charged

Not charged

Charged and deflected

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