Academictask provides MCQs of Physics from Basic to Advance, so that you can prepare accordingly. Physics Mcqs section is useful for both students and job seekers i.e MCAT ECAT ETEA test preparation, PPSC Test, FPSC Test
41. Study of living science relates with________?
A. Physical science
B. Biological science
C. Just living science
D. Organ science
42. The first book of Physics was written by__________?
A. Kelvin
B. Newton
C. Aristotle
D. Faraday
43. Which one of the following is mass less?
A. Proton
B. Electron
C. Neutron
D. Photon
44. Name the branch of science which deals with the study of sound and sound waves?
A. Aeronautics
B. Acoustics
C. Aerostatics
D. Aetiology
45. The formula of inter-conversion of centigrade and Fahrenheit scale is___________?
A. c-32/9
B. f -32/9 =c/5
C. f-32/9=c/9
D. none
46. The co efficient of linear expansion is equal to__________?
A. ΔL = αLΔT
B. ΔL/LΔT
C. LΔT/ΔL
D. αLΔT-ΔL
47. The unit of coefficient of linear expansion or volume expansion is__________?
A. K
B. K-1
C. K -2
D. none
48. linear expansion occurs in_________?
A. Solid
B. liquid
C. both
D. none
49. When body is in motion, ____________ always changes?
A. its velocity
B. its acceleration
C. its position vector
D. its momentum
50. A man is in a car is moving with velocity of 36km/hr. His speed with respect to the car is ____________________?
A. 10m/s
B. 36m/s
C. zero
D. infinite