Intermediate
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- Question 1 of 71. Question
Which of the following waves are longitudinal waves?
I. Ripples on the surface of water
II. Waves produced by a tuning fork vibrating in air
III. Light waves
IV. Waves produced by a flute - Question 2 of 72. Question
An eclipse of the sun by the moon occurs when the sun, the moon and the earth are all in a straight line and the
- Question 3 of 73. Question
Which of the following electromagnetic waves has the shortest wavelength?
- Question 4 of 74. Question
Which of the following electromagnetic waves can be detected by its heating effect?
- Question 5 of 75. Question
Which of the following electromagnetic waves can be detected by its heating effect?
- Question 6 of 76. Question
The distance between a concave mirror and an object placed in front of it is 1.0m. If the radius of curvature of the mirror is 4.0m, the image formed will be
- Question 7 of 77. Question
The angle of incidence of a ray of light on a plane mirror is 550. Determine the angle between the reflected ray and the mirror
