821. A dimension stands for the __ nature of a certain physical quantity.
(A) Super
(B) Quantitative
C) Qualitative
(D) None of the above
822. Error in the measurement of the radius of a sphere is 1%. The error in the calculated value of its volume is:
A. 1%
B. 3%
C. 5%
D. 7%
823. What is an interdisciplinary area of physics?
A. Geophysics
B. Hydrodynamics
C. Special relativity
D. Super fluidity
824. Which set of units includes a supplementary unit?
A. Kg, A, SR
B. A, K, cd
C. A, mol, s
D. Kg, s, m
825. The physical science deals with?
A. Living things
B. Non-living things
C. Composition of objects
D. Structure of objects
826. SI unit of electric current is?
A. Ampere
B. Kelvin
C. Candela
D. Meter
827. What type of science is physics?
A. Living things
B. Non-living things
C. Experimental science
D. Study of action and reaction
828. The field of physics that deals with plasmas is called?
A. Atoms
B. Molecules
C. Ions
D. Crystals
829. Derived quantities are those which can?
A. Be subdivided
B. Be derived from other quantities
C. Not derived
D. Other quantities are derived from them
830. High energy physics is the physics of?
A. Nucleus
B. Subatomic particles
C. Plasma physics
D. Astrophysics
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