General Science QUESTIONS AND ANSWERS

General Knowledge : General Science QUESTIONS AND ANSWERS :: part13 : 46 to 50

Following General Knowledge Multiple choice objective type questions and answers will help you in TRB, SSC and UPSC 2024 examinations :

46.Rainbow is produced by tiny rain drops suspended in front of sun rays as a result of

reflection and interference

refraction and dispersion

interference

reflection, refraction and dispersion

47.Man is able to see both distant & near objects because

lenses are movable.

the size of the pupil can be adjusted.

the lens can change its focal length.

there are different parts in the lens to see distant and nearby objects.

48.Two objects losing the same weight when immersed in water must have the same

weight in water

volume

weight in air

density

49.Why is it easier to swim in a sea than a river ?

Sea water it still while river water its running.

Salinity of sea water is more than that of river water.

Density of sea water is more than that of river.

None of these

50.When a vehicle passes, TV reception gets distorted. This is because

metal reflects radiowaves.

spark plug creates electromagnetic disturbances.

passing vehicle affects the sophisticated TV components.

modern vehicles use electronic ignition system.

More General Science QUESTIONS AND ANSWERS available in next pages

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