Science Quiz Page-34

Science Quiz from 166 to 170

166. Which electromagnetic wave has the longest wavelength?
(A) Gamma rays
(B) X-rays
(C) Microwaves
(D) Radio waves

167. Which electromagnetic wave has the shortest wavelength?
(A) Gamma rays
(B) X-rays
(C) Microwaves
(D) Radio waves

168. All electromagnetic waves have the same
(A) Frequency
(B) Amplitude
(C) Wavelength in vacuum
(D) Speed in vacuum

169. The reflection of sound is called
(A) Frequency
(B) Vibration
(C) Echo
(D) Wave

170. An instrument used to measure electric current is called
(A) Ammeter
(B) Barometer
(C) Galvanometer
(D) Manometer

ANSWERS: SCIENCE QUIZ
166. (D) Radio waves
167. (A) Gamma rays
168. (D) Speed in vacuum
169. (C) Echo
170. (A) Ammeter