Physics Mcqs for Test Preparation from Basic to Advance. Physics Mcqs are from the different sections of Physics. Here you will find Mcqs of Physics and quantum physics subject from Basic to Advance. Which will help you to get higher marks in Physics subject. These Mcqs are useful for students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test, SPSC Test, KPPSC Test, BPSC Test, PTS, OTS, GTS, JTS, CTS, NTS.
When one mirror of a Michelson Interferometer has moved a distance of 0.5 mm we observe 2000 fringes. What will be the wavelength of light used?
A. 5000 nm
Wavelength of X-rays falling at glancing angle of 30? on a crystal with atmic spacing 2 x 10-10 for the fist order diffraction is________________?
A. 4 x 10-10 m
B. 2 x 10-10 m
In a plane polarized light _________________?
A. vibration in all direction
B. vibration in two mutually perpendicular directions
C. vibration takes place in a direction perpendicular to the direction of propagation of light
D. no vibration at all
Which one of the following cannot be polarized ?
A. radio waves
B. ultraviolet rays
D. sound waves
In monochromatic red light a blue book will probably appear to be_________________?
D. no scientific reasoning available
In double slit experiment if one of the two slit is covered then________________?
A. no interference fringes are observed
B. no diffraction fringes are observed
C. no fringes observed
D. interference pattern not disturbed
In the shadow of a ball the central portion appears bright that happens due to_________________?
Crystals of a material can behave as_________________?
A. Convex lens
C. Diffraction grating
Which is not optically active?
B. tartaric acid
D. sodium chlorate
When light incident normally on thin film the path difference depends upon ________________?
A. thickness of the film only
B. nature of the film only
C. angle of incidence only
D. all thickness nature and angle of incidence