(A) Sphere
(B) Cube
(C) Circular plate
(D) All of the above
A boat will submerge when it displaces water equal to its own?
(A) Surface area
(B) Weight
(C) Density
(D) Volume
Splitting of different colours of light in a prism is?
(A) Dispersion of light
(B) Reflection of light
(C) Diffraction of light
(D) Refraction of light
Identify true statement when we see rainbow?
(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%