Science Questions and Answers for SSC CGL - General Knowledge MCQs for Data Entry Operator Exam

Questions

36 The unit used to measure the distance between stars is :

A Galactic unit

B Light year

C Steller mile

D Cosmic kilometre

Answer: Option [B]

37 Tesla is a standard unit of which of the following ?

A Magnetic flux density

B Magnetic induction

C Magnetic field

D Magnetic moment

Answer: Option [A]

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38 Which type of mirror is used in the head lights of vehicles ?

A Plain mirror

B Concave mirror

C Convex mirror

D Parabolic mirror

Answer: Option [B]

39 Heavy water is used in nuclear reactor as :

A coolant

B moderator

C fuel

D atomic smasher

Answer: Option [B]

40 Which metals are used in fuse wire :

A an alloy of tin and copper

B an alloy of tin and lead

C an alloy of tin and aluminium

D an alloy of nickel and chromium

Answer: Option [B]

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