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
Bismith
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