Physics - Study Mode

[#356] Instrument for measuring blueness of the sky or ocean is called ________
Correct Answer

(C) Cyanometer

Explanation

Solution: A cyanometer (from cyan and -meter) is an instrument for measuring "blueness", specifically the colour intensity of blue sky.

[#357] Photosynthesis takes place faster in
Correct Answer

(C) White light

Explanation

Solution: As far as the rate of photosynthesis is concerned, it is fastest in white light making the rate of photosynthesis maximum.

[#358] In a bipolar junction transistor
Correct Answer

(D) The base has the least concentration of impurity

Explanation

Solution: In a bipolar junction transistor the base has the least concentration of impurity.

[#359] Addition of suitable impurities into semiconductor, is called
Correct Answer

(A) Doping

Explanation

Solution: Addition of suitable impurities into semiconductor, is called doping.

[#360] An object at rest may have
Correct Answer

(B) Potential energy

Explanation

Solution: An object at rest may have Potential energy.