Multiple Choice
During the 19th century, light was considered to be a stream of particles called
A) atoms
B) electrons
C) corpuscles
D) quantas
Correct Answer:
Verified
Correct Answer:
Verified
Q6: Which of the following is a non-luminous
Q7: The distance between two consecutive crests is
Q8: The screen behind the eye lens is
Q9: A pulse is a wave<br>A)of high duration<br>B)of
Q10: Echo is produced due to<br>A)reflection of sound<br>B)refraction
Q12: Sound waves cannot pass through<br>A)a solid-liquid mixture<br>B)an
Q13: Sound waves in air are _ waves.<br>A)longitudinal<br>B)radio<br>C)transverse<br>D)electromagnetic
Q14: The mirror used in automobiles to see
Q15: Which of the following types of waves
Q16: Shaving mirrors are<br>A)convex mirrors<br>B)concave mirrors<br>C)plane mirrors<br>D)none of