Question # 1

The centre of Newton's rings will be

Choose an answer

Dark

Bright

Coloured

Not visible

Michelson's interferometer can be used ot find the

Choose an answer

Velocity of light

Wavelength of light

Velocity of sound

Wavelength of sound

The fringe spacing increases if we use.

Choose an answer

Yellow light

Green lgiht

Blue light

Red light

Which phenomenon of light proves that light waves are transverse in nature.

Choose an answer

Refraction

Reflection

Diffraction

Polarization

In red light is used as compare to blue light then fringe spacing.

Choose an answer

Decreases

Remain same

Increases

Becomes zero

Bending of light around the edges of an obstacle is called.

Choose an answer

Refraction

Polarization

Interference

Diffraction

The blue colour of sky is due to

Choose an answer

diffraction

Reflection

Polarization

Scattering

Light entering rom air glass does not change in its.

Choose an answer

Frequency

Wavelength

Velocity

Direction

The centre of Newton's fringe is dark due to.

Choose an answer

Destructive interference

Diffraction

Constructive interference

Polarization

A ray of light is a line

Choose an answer

Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

the locus of all pint in the same wave of vibration is called.

Choose an answer

Wave front

Diffraction

Interference

Polarization

Dark fringes are also called as

Choose an answer

Minima

Maxima

Wave front

Ray of light

When newton ring are seen through the transmitted light, then central spot is.

Choose an answer

Dark

Blue

Bright

Red

The fringe spacing in a double slit experiment can be increased by decreasing.

Choose an answer

Wavelength of light

Width of slits

Slit separation

Distance between the slits and the screen

The Bragg's equation is given by

Choose an answer

An oil film on water surface shows colour due to.

Choose an answer

Diffraction

Interference

Polarization

Dispersion

X-ray diffraction has been very useful in determining the structure of

Choose an answer

Hemoglobin

Stars

Galaxies

Stones

Soap film is sunlight appears coloured due to.

Choose an answer

Dispersion of light

Diffraction of light

Scattering of light

Interference fo light

In case of point source the shape of wave front is

Choose an answer

Circular

Spherical

Elliptical

Square

The wavelength of X-rays is of the order of.

Choose an answer

10^-8 m

10^-10m

10^-5m

10^-4m

Hygen's principle is used for.

Choose an answer

Explain polarization

Locate the wave front

Find the speed of light

Find the index of refraction

More Classes

Other Links

Physics Fsc Part 1 Chapter 9 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