(A) We face sun and rain drops.
(B) Sun remains behind us and we face raindrops.
(C) In light rainfall we face sun.
(D) All are correct
Minimum escape velocity of a rocket to be launched into the space?
(A) 05 Km/s
(B) 06 Km/s
(C) 11 Km/s
(D) 15 Km/s
1 Kilowatt hour is equal to?
(A) 3.6 Megajoule
(B) 3.8 Megajoule
(C) 3.2 Megajoule
(D) 4.0 Megajoule
On which of the following techniques photo state machine works?
(A) Electromagnetic image-Making
(B) Electrostatic image-Making
(C) Thermal image-Making
(D) Magnetic image-Making
The percentage uncertainty in measurement of mass and velocity are 2% and 3%. The maximum uncertainty in the measurement of kinetic energy?
(A) 1%
(B) 6%
(C) 8%
(D) 11%
The percentage uncertainty in radius of a sphere is 2%. The total percentage uncertainty in the volume of a sphere is?
(A) 2%
(B) 4%
(C) 6%
(D) 8%
Numerical value of constants in any formula can not be determined by dimensional analysis, however it can be found by?
(A) Physical Quantitation
(B) Experiments
(C) Uncertainty
(D) Addition
Recently which country approves three child policy to prevent demographic crisis?
(A) Iran
(B) Singapore
(C) Vietnam
(D) China