Question

AT-2021-T6-C-VII (Paper-2).S&M-4
Which of the following is not a luminous body?
(A) Sun
(C) Bulb
(B) Tube light
Dy Mirror
nutes to cross the
A 300 m long train passes over a bridge at a speed of 60 km/h. If it takes 2 minutes
bridge, the length of the bridge is
(A) 170 m
BY 1.7 km
(C) 1700 km
(D) 180 m
Average speed is equal to:
(A), Total speed / total time
(C) Distance traveled/hour
(B) Velocity / time
(D) Total distance traveled / total time taken
11
The time taken by earth to complete one revolution around the sun is called:
YAJ One year
(B) Half month
(C) One month
(D) One decade
12
The angle between incident ray and normal is called:
(A) Angle of deviation
YBY Angle of reflection
(C) Angle of incidence
(D) Angle of refraction
13.
Bending of rays of light when passes from one medium to another medium is called:
(A) Scattering of light
(B) Refraction of light
(C) Dispersion of light
(D) Reflection of light​

Answer 1

Answer:

3.D(TOTAL DISTANCE TRAVELLED /TOTAL TIME TAKEN)

Answer 2

Answer:

1st answer is D

11th answer is A

12th answer is B

Explanation:

Mirror does not emits light.

Earth take 365 day that is One year.

The angle between incident Ray and normal is called ANGLE OF REFLECTION.

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