A. diffraction
B. reflection
C. polarization
D. scattering
Related Mcqs:
- appearance of colour in thin films is due to ____________________?
A. diffraction
B. dispersion
C. interference
D. polarization - In monochromatic red light a blue book will probably appear to be_________________?
A. black
B. purple
C. green
D. no scientific reasoning available - The electrons in conduction band are free to___________________?
A. Transport vibrations
B. Transport signals
C. Transport charge
D. Transport impulses - The effective way to increase the sensitivity of a moving coil galvanometer is to___________________?
A. use a very long and fine suspension
B. use a coil of very large area
C. use a coil with very large number of turns
D. use a very strong magnetic field - In the shadow of a ball the central portion appears bright that happens due to_________________?
A. Interference
B. Diffraction
C. Polarization
D. Refraction - Silence zone takes place due to____________________?
A. constructive interference
B. destructive interference
C. beats
D. resonance - The current through a metallic conductor is due to the motion of _________________?
A. free electrons
B. protons
C. neutrons
D. still under controversy - The error in measurement may occur due to_________________?
A. The inexperience of a person
B. The faulty apprentice
C. Inappropriate method
D. Due to all reasons in A, B and C - The uncertainty in a measurement may occur due to_______________?
A. Limitation of an instrument
B. Natural variation of the object to be measured
C. Inadequate technique
D. All given in A, B and C - The uncertainty in momentum & position is due to its_____________?
A. Property of matter and radiation
B. Two-dimensional motion
C. Emission of the certain wavelength
D. Very high velocity
