In which of the following processes the work done is zero?
(A) Isothermal process
(B) Isochoric process
(C) Adiabatic process
(D) None of these
Important Questions on General Science
A geostationary satellite completes one orbit in--
(A) 24 hours
(B) 92 minutes
(C) 356 days
(D) None of these
Choose the correct statement from the following for a pin-hole camera--
(A) Light does not travel in a straight line
(B) Light travels in a straight line
(C) Forms upright, diminished image
(D) Shows the formation of shadows
Infrared radiations:
(A) Obey the law of refraction but not reflection
(B) Obey the law of reflection and refraction
(C) Do not obey the laws of reflection and refraction
(D) None of these
The inner back surface of the eye is called--
(A) Pupil
(B) Retina
(C) Choroid
(D) Cornea
Ultrasonic sound has the frequency of--
(A) Above 20,000 vibrations per sec
(B) Below 20,000 vibrations per sec
(C) Below 20 vibrations per sec
(D) None of these
In radar system, the transmitting antenna is of--
(A) Fixed type
(B) Rotating type in azimuth
(C) Rotating type in vertical plane
(D) Rotating type in azimuth or vertical plane or both
