A camera uses a __________ to form an image.
A camera uses a __________ to form an image.
A. convex lens
B. concave lens
C. condenser lens
D. none of these
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Bleaching action of chlorine is by________?
Bleaching action of chlorine is by________?A. Oxidation
B. Reduction
C. Decomposition
D. HydrolysisWhich product is obtained in the manufacture of soap from oils:
Which product is obtained in the manufacture of soap from oils:A. Sodium chloride
B. Sodium hydroxide
C. Fats
D. GlycerineThe difference in the duration of day and night increases as one moves from:_________?
The difference in the duration of day and night increases as one moves from:_________?A. West to East
B. East and west of the prime meridian
C. Equator to poles
D. None of theseNewton’s Third Law of Motion?
Newton’s Third Law of Motion?A. every action there is an equal and opposite reaction.
B. attraction or repulsion between two charges
C. volume of a given mass of gas increases or decreases
D. temperature remaining constant, volume of a given mass of a gas varies inverselyA light year is a unit of ?
A light year is a unit of ?
A. Time
B. Energy
C. Length
D. MassOne Quintal is Equal to___________?
One Quintal is Equal to___________?
A. 70 kg
B. 80 kg
C. 90 kg
D. 100 kg