Light [NSO Level 2- Science Olympiad (SOF) Class 8]: Questions 1 - 3 of 14
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Question 1
Appeared in Year: 2013
Question MCQ▾
Which of the following is correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | The incident ray, the normal at the point of incidence and the reflected ray all lie in the opposite plane. | |
b. | An image formed by a mirror the left of the object appears on the right and right appears on the left. | |
c. | Angle of incidence is always equal to the angle of reflection. | |
d. | Diffused reflection of the light is that the all parallel rays reflected from a rough surface are not parallel. |
Question 2
Appeared in Year: 2014
Question MCQ▾
The direction of a ray of light incident on a concave mirror is shown by PQ while directions in which the ray would travel after reflection is shown by four rays marked 1,2, 3 and 4. Which of the four rays correctly shows the direction of reflected ray?
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 4 | |
c. | 1 | |
d. | 2 |
Question 3
Appeared in Year: 2014
Question MCQ▾
An under-water swimmer cannot see very clearly even in absolutely clear water because of
Choices
Choice (4) | Response | |
---|---|---|
a. | Reduction of speed of light in water | |
b. | Change in the focal length of eye lens. | |
c. | Absorption of light in water | |
d. | Scattering of light in water |