Basic Physics Questions with Answers
Light year is a unit of which of the following physical sign?
(A) Short time interval
(B) mass
(C) Work
(D) distance
Correct Answer : D
Explanation :
Light-year is the unit of length to measure large distances (astronomical distances).
The total distance travelled by light in 1 year is called 1 light year.
1 light-year = 9.46 × 1012 km.
Explanation for the incorrect options
The second (sec) is the unit of time.
A kg is the unit of mass.
Therefore, the Light year is the unit of distance. So, option (D) is correct.
Used in eyeglasses for a person suffering from myopia?
(A) convex lens
(B) concave lens
(C) concave mirror
(D) convex mirror
Correct Answer : B
What type of force acts on a car moving on a circular curved path?
(A) Centrifugal force
(B) Cohesive force
(C) Centripetal force
(D) Gravitational force
Correct Answer : C
Which of the following metals has maximum thermal conductivity?
(A) Iron
(B) Aluminum
(C) Silver
(D) Copper
Correct Answer : C
What is the normal temperature of the human body?
(A) 65 degrees
(B) 95 degree
(C) 98.6°F
(D) 99 degrees
Correct Answer : C
Explanation :
Normal body temperature is considered to be 37°C (98.6°F); however, a wide variation is seen. Among normal individuals, mean daily temperature can differ by 0.5°C (0.9°F), and daily variations can be as much as 0.25 to 0.5°C.
Jyoti is a unit of intensity?
(A) Opter
(B) Candela
(C) Newton
(D) None of these
Correct Answer : B
Instrument for measuring blueness of the sky or ocean is called ___________.
(A) Bathymeter
(B) Ceraunograph
(C) Cyanometer
(D) Barometer
Correct Answer : C
In May 2019, the kilogram was redefined for the first time in 130 years. It will now be redefined as a fundamental property of nature, called what?
(A) Planck's constant
(B) electrical constant
(C) Gravitational constant
(D) magnetic constant
Correct Answer : A
Which of the following elements has lowest melting point?
(A) Titanium
(B) Sulphur
(C) Argon
(D) Zinc
Correct Answer : A
Where does electric power reside in a charged conducting material?
(A) Central part
(B) Over the body
(C) Depends on the nature of the body
(D) The outer surface
Correct Answer : D
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Rajesh Bhatia
A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.
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