Science Quiz | General Knowledge Multiple Choice Questions and Answers | Page-11

Questions

51 What is found in frequency modulation ?

A fixed frequency

B fixed dimension

C change in dimension only

D change in frequency and dimension

Answer: Option [A]

52 Colour of light is related to it's :

A Frequency

B Velocity

C Amplitude

D None of the above

Answer: Option [A]

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53 What principle / law explains the working of hydraulic brakes in automobiles ?

A Poiseuille’s principle

B Pascal’s law

C Bernoullis law

D archimede’s principle

Answer: Option [B]

54 Which one of the following is used for sun glasses ?

A Crooks glass

B Pyrex glass

C Crystal glass

D None of the above

Answer: Option [A]

55 Good conductor of electricity is

A kerosene

B paper

C dry air

D graphite

Answer: Option [D]