When body is in motion, ____________ always changes?
(A) its velocity
(B) its acceleration
(C) its position vector
(D) its momentum
The unit of coefficient of linear expansion or volume expansion is__________?
(A) K
(B) K-1
(C) K -2
(D) none
The co efficient of linear expansion is equal to__________?
(A) ΔL = αLΔT
(B) ΔL/LΔT
(C) LΔT/ΔL
(D) αLΔT-ΔL
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
Name the branch of science which deals with the study of sound and sound waves?
(A) Aeronautics
(B) Acoustics
(C) Aerostatics
(D) Aetiology
Study of living science relates with________?
(A) Physical science
(B) Biological science
(C) Just living science
(D) Organ science
The physics of moving charge particles is known as__________?
(A) Plasma physics
(B) Electro-static’s
(C) Electro-magnetic
(D) Electro-dynamics