Welcome to your Science Quiz 25
1.
The tendency of a liquid drop to contract and occupy minimum area is due to: [1997]
2.
Which one of the following is a vector quantity? [1997]
3.
A boy standing at the point ‘O’ throws a ball three times with the same force, but at different inclinations from the ground. Which of the following is a valid conclusion? [1997]
4.
The working principle of a washing machine is: [1997]
5.
Which one of the following is paramagnetic in nature? [1997]
6.
Distance-time graph in respect of a race among four persons is shown in the given figure. Consider the following statements in this regard: [1996]
I. ‘A’ stood first in the race.
II. ‘C’ led all the way.
III. ‘D’ ran faster than others in the later part of the race

7.
When an air bubble at the bottom of a lake rises to the top, it will: [1996]
8.
When a mirror is rotated by an angle of 6°, the reflected ray will rotate by: [1996]
9.
A truck, a car, and a motorcycle have equal kinetic energies. If equal stopping forces are applied, and they stop after traveling distances of x, y, z respectively, then: [1996]
10.
Consider the following statements: At the present level of technology available in India, solar energy can be conveniently used to: [1996]
I.Supply hot water to residential buildings.
II. Supply water for minor irrigation projects.
III. Provide street lighting.
IV. Electrify a cluster of villages and small towns.