(A) Derived attribute
(B) Multivalued attribute
(C) Simple attribute
(D) Composite attribute
Author:
Echo is the effect produced due to?
(A) Refraction of sound
(B) Reflection of sound
(C) Absorption of sound
(D) None of the above
AC voltage is?
(A) Analogue Quantity
(B) Chemical Quantity
(C) Mathematical Quantity
(D) None of the above
Phenomenon of land and sea breeze is a result of?
(A) Radiation
(B) Conduction
(C) Convection
(D) None of the above
Permanent magnets are made from?
(A) Ferromagnetic substances
(B) Dielectric substances
(C) Diamagnetic substances
(D) None of the above
What X-rays do when passing through the food stuff?
(A) Kill viruses
(B) Kill bacteria
(C) Kill insects
(D) None of the above
Speed of sound is maximum through which of the following?
(A) Water
(B) Glass
(C) Air
(D) Wood
Condenser is used?
(A) To collect the charge
(B) To produce charge
(C) To change the direction of current
(D) None of the above