Question # 1

The Bragg's equation is given by

Choose an answer

Michelson's interferometer can be used ot find the

Choose an answer

Velocity of light

Wavelength of light

Velocity of sound

Wavelength of sound

Intensity of light depend on

Choose an answer

Wave length

Amplitude

Velocity

Frequency

Young in 1801 performed experiment for the first time about

Choose an answer

Interference

Diffraction

Polarization

Particle nature of light

A typical diffraction grating has certain number of lines per centimeter whose range is.

Choose an answer

40 to 50

400 to 5000

400 to 500

4000 to 5000

Fringe spacing is inversely proportional to.

Choose an answer

Wave length

Slit separation

Distance between the slit and screen

Frequency of light

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

According to Huygen's principle the points on primary wave front can be considered as

Choose an answer

Secondary wavelets

Ray of light

Source of light

None of these

Huygen's proposed, light energy travels in space from source in

Choose an answer

1578

1678

1778

1868

Bright fringes are also called as

Choose an answer

Minima

Maxima

Wave front

Ray of light

More Classes

Other Links

Physics English Medium Fsc Part 1 Chapter 9 Online MCQs 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