(A) Its wavelength is very small
(B) It is not absorbed by the atmosphere
(C) Its velocity is very large
(D) It is reflected by the atmosphere
sinxoo
(A) Diffraction
(B) Polarization
(C) Interference
(D) Photoelectric effect
July 31, 2021
(A)Modulus of rigidity
(B) Young’s modulus
(C) Bulk modulus
(D) None of the above
July 31, 2021
(A) microwaves
(B) infrared
(C) X-rays
(D) ultraviolet
July 30, 2021
(A) battery
(B) charge
(C) electric generator
(D) electromotive force
July 30, 2021
(A) convex lens
(B) concave lens
(C) converging lens
(D) none of these
July 30, 2021
(A) convex lens
(B) concave lens
(C) diverging lens
(D) none of these
July 30, 2021
(A) 3
(B) 5
(C) 7
(D) 9
July 30, 2021
(A) phase
(B) wavelength
(C) amplitude
(D) None of these
July 30, 2021