# Physics General Knowledge Questions and Answers

## Here you will find physics gk questions and answers for competitive exams and interviews.

“In this section you can online practice & preparation for Physics General Knowledge Questions and answers our team selected all these physics gk questions from previous years physics general knowledge exams question papers.

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Biology GK Questions

Q. Which of the statement is incorrect about the simple microscope?
A. Magnification of microscope is inversely proportional to the least distance of distinct vision.
B. A convex lens of microscope with shorter focal length yields higher magnification.
C. Biology students use to see the slides.
D. It is not used for magnification of an object at far away from the observer.

Q. Suppose you drive to Delhi (200 km away) at 400 km/hr and return at 200 km/hr. What is yours average speed for the entire trip?
A. Zero
B. 300 Km/hr
C. Less than 300 Km/hr
D. More than 300 Km/hr

Q. A system undergoes a reversible adiabatic process. The entropy of the system
A. increases
B. decreases
C. remains constant
D. may increase or may decrease

Q. A narrow white light beam fails to converge at a point after going through a converging lens. This defect is known as
A. polarization
B. spherical aberration
C. chromatic aberration
D. diffraction

Q. In a room where the temperature is 30°C a body cools from 61°C to 59°C in 4 minutes. The time taken by the body to cool from 51°C to 49°C will be about
A. 4 minutes
B. 6 minutes
C. 5 minutes
D. 8 minutes