Question # 1

A capacitor is connected to a battery The fore of attraction between the plate when the separation between them is halved will

Choose an answer

Remain the same

Become twice

Become 4 times

Become 8 times

A 100 Hz A.C. is following in A 7 mH inductance What is its reactane.

Choose an answer

0.4 Ohms

4.4 Ohms

7Ohms

44 Ohms

The energy transported by a wave is proportional to the square of the.

Choose an answer

Wavelength of the wave

Period of the wave

Amplitude of the wave

Frequency of the wave

To measure the accurate value of potential difference across two points, the voltmeter should have.

Choose an answer

Zero resistance

small resistance

Large resistance

Infinite resitance

Which of the following are defects is lenses.

Choose an answer

Chromatic aberration

Spherical aberration

Astigmation

All of the above

The value of critical angle of glass is

Choose an answer

45^o

42^o

48^o

52^o

Which term best describes the nature of light from modern view point.

Choose an answer

Waves

Rays

Particles

Photons

a body floats in liquid contained in a beaker The whole system falls freely under gravity The outthrust on the body due to liquids is

Choose an answer

Zero

Equal to the weight of the body in air

Equal to the weight of the liquid displaced

Equal to the weight of the immersed portion of the body

The specific heat of an ideal gas values as

Choose an answer

To

T1

T2

T3

When an arrow is shot from a bow, it has K.E. which is given to it by

Choose an answer

The elongated tail

The stretched string of bow

The throw of archer

The sharp arrows head

Transistor stands for

Choose an answer

Transfer of resistance

Transfer of current

Transfer of power

Transfer of voltage

The coulomb's law is valid for the charges which are.

Choose an answer

Moving and point charges

Moving and non point charges

Stationary and point charges

Stationary and large size charges

Because of second law of thermodynamics about the direction of energy flow what is possible.

Choose an answer

Heat

Light

Energy

life

Shadow formation and the pin hole camera illustrate the

Choose an answer

Phenomenon of reflection

Phenomenon of refraction

Phenomenon of total internal reflection

Rectilinear propagation of light

In what form is the energy stored in an inductor.

Choose an answer

Magnetic

electrostatic

Magnetic and electrostatic

All of the above

Force acting on a test charge between the plates of a parallel plate capacitor is F. If one of the plates is removed teh force on the same test charge will be.

Choose an answer

Zero

F/2

F

2 F

When a ray of light is incident perpendicularly to the boundary of two media.

Choose an answer

It pass through without bending

It is speed is faster int he optically denser medium

It derivates from its original path

It is totally reflected back

The power of lens in dioptres is

Choose an answer

Its focal length in meters

The reciprocal of its focal length in metres

The reciprocal of length in metres

The reciprocal of length in centimetres

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

Choose an answer

Creast

trough

Wavelength

Wave front

Transistors with various combinations are widely used as switches in.

Choose an answer

electric generators

Rectificers

Amplifiers

Computers

Which onw of the following is deflected by an electric field.

Choose an answer

Alpha particles

Gama rays

Neutrons

x rays

A negative acceleration does not necessaryimply.

Choose an answer

Decreasing speed

An increasing distance

An increasing speed

A decreasing distance

What do we study by crystallography.

Choose an answer

The analysis of X ray spectra of elements and study of crystal structure.

Visible spectra of sources and crystal study

Ultraviolet spectra of sources and crystal study

Characteristics of X-rays

The cathode ray oscilloscope is used for

Choose an answer

Displaying the waveform of given voltage

Displaying the wave form of given vibrations

Rectifying a.c to d.c.

Rectifying D.C. to A.C.

Which given element has lowest work function

Choose an answer

Na

Al

si

C

Which instrument measures the magnification of a telescope.

Choose an answer

lactometer

dynamometer

Wattmeter

Ammeter

An AND gate is.

Choose an answer

Equivalent to a series switching circuit.

Equivalent to a parallel switching circuit

Equivalent ot universal gate

A reciprocal of NAND gate

The charge per unit volt which is a constant property of the system is known as the

Choose an answer

Dielectric constant

Permitivity

Capactance

Inductance

A double convex air bubble in water will behave as.

Choose an answer

Plane slab

Concave mirror

Convex lens

Concave lens

Natural radioactivity was discovered in.

Choose an answer

1978

1896

1904

1906

The appearance of colures in their film is due to

Choose an answer

Diffraction

Dispersion

Interference

Polarization

More Classes

Other Links

PPSC Physics Full Book 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