Physics MCQ for Competitive Exams Pdf - 1

Question: 1

Which types of waves are utilized in the night visionary equipment?

(A) Infrared wave

(B) Micro wave

(C) Radio wave

(D) None of these

Ans: A

Infrared wave

Question: 2

Sound above what level (in decible) is considered hazardous noise pollution?

(A) 30 db

(B) 50 db

(C) 80 db

(D) 90 db

Ans: C

80 db

Question: 3

A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping

(A) a parabolic path

(B) a circular path

(C) a straight path

(D) an elliptical path

Ans: B

a circular path

Question: 4

Which one among the following denotes the smallest temperature?

(A) 1° on the Kelvin scale

(B) 1° on the Reaumur scale

(C) 1° on the Fahrenheit scale

(D) 1° on the Celsius scale

Ans: A

1° on the Kelvin scale

Question: 5

Which one of the following is diamagnetic

(A) Nickel 

(B) Iron

(C) Bismith

(D) Cobalt

Ans: C


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