Question

9) If a red rose is seen in blue light, it appears *
Blue
Cyan
Magenta
Black

10) The phenomenon due to which left side of object appears as right side and vice versa, is called *
Inversion.
Lateral inversion.
Virtual inversion.
None of these

11) In electric bulb, the electrical energy gets converted into ---- and ---- energy. *
heat, chemical
light, sound
heat, light
chemical, sound

12) A freely falling mango has *
only potential energy.
only kinetic energy.
both kinetic and potential energy.
elastic potential energy.

13) If the angle between the incident ray and the striking surface like plane mirror is 25 degree then what will be the angle of reflection? *
25 degree
65 degree
45 degree
55 degree

14) When a car engine runs, the chemical energy of the fuel gets transformed into *
heat and light energy.
light and sound energy.
only kinetic energy.
kinetic, heat, and sound energy.

15) Rohan is observing his image on a plane mirror. The distance between the mirror and him is 4m. Now Rohan goes towards the mirror by 1m. Now what will be the distance between Rohan and his image? *
4 m
6 m
3 m
5 m
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Answer 1

Answer:

9C 10B 11B 12A 13D 14C 15A

Explanation:

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Answer 2

If red rose is seen in blue light , it appears as magenta colour