Comb your dry hair, bring the comb near small pieces of paper. Force you observed is
A) magnetic force
B) electrostatic force
C) gravitational force
D) normal force
1 Answers
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In paper chromatography, the mobile phase rises up the chromatography paper due to ………………
Option : (B) capillary action
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In order to understand the topic transport and circulatory system the instrument that is prepared with paper as paper tube
(A) Stethoscope
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Suppose you are inside the water in a swimming pool near an edge. A friend is standing on the edge. Then your friend will appear
A) taller than his actual height
2 Answers 1 views
How do you separate small pieces of metal in the engine oil of a car ?
Correct option is D) filtration
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A large magnet is broken into two pieces so that their lengths are in the ratio 2:1. The pole strengths of the two pieces will have the ratio
Correct option is: (A) 2 : 1
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A paper is folded several times. When it was opened it was observed that it contained 22 triangles and 22 quadrilaterals
Correct option is (A) Both triangles and quadrilaterals \(\because\) 22 is greater than 12. \(\therefore\) Triangles and quadrilaterals both occur most frequently. \(\therefore\) Both triangles and quadrilaterals are mode.
2 Answers 1 views
A Shell Initially at rest explodes into two pieces of equal mass the two pieces will
2) move with the same velocity in opposite directions The two masses are equal, so to conserve linear momentum which is zero, they should move in the opposite directions with equal...
2 Answers 1 views
Pressure = ………… A) Force B) Force x area C) Area / force D) Force / area
D) Force / area
2 Answers 1 views
Take two balloons inflate them. Rub both with your hair. Bring them to closer to each other. Then they
Correct option is A) repels
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