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General physics- Knowledge test
Question 46 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this?
- Diffusion
- Refraction
- Internal reflection
I, II and III | |
I and II | |
II and III | |
I and III |
Question 47 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Point A is at a lower electrical potential than point B. An electron between them on the line joining them will
move towards A | |
move towards B | |
move at right angles to the line joining A and B | |
remain at rest |
Question 48 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
On a stationary sail boat, air is blown from a fan attached to the boat. The boat
moves in opposite direction in which the air is blown | |
does not move | |
moves in the same direction in which air blows | |
spins around |
Question 49 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?
Rainbow | |
Earthshine | |
Halo | |
Mirage |
Question 50 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER] |
Identify the vector quantity from the following
Heat | |
Angular momentum | |
Time | |
Work |
There are 50 questions to complete.