Basic Physics Questions with Answers

Rajesh Bhatia2 years ago 8.3K Views Join Examsbookapp store google play
Basic Physics Questions with Answers
Q :  

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.


Q :  

Used in eyeglasses for a person suffering from myopia?

(A) convex lens

(B) concave lens

(C) concave mirror

(D) convex mirror


Correct Answer : B

Q :  

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

Q :  

Which of the following metals has maximum thermal conductivity?

(A) Iron

(B) Aluminum

(C) Silver

(D) Copper


Correct Answer : C

Q :  

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.


Q :  

Jyoti is a unit of intensity?

(A) Opter

(B) Candela

(C) Newton

(D) None of these


Correct Answer : B

Q :  

Instrument for measuring blueness of the sky or ocean is called ___________.

(A) Bathymeter

(B) Ceraunograph

(C) Cyanometer

(D) Barometer


Correct Answer : C

Q :  

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

Q :  

Which of the following elements has lowest melting point? 

(A) Titanium

(B) Sulphur

(C) Argon

(D) Zinc


Correct Answer : A

Q :  

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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