Physics
Knot is a measure of

Intensity of earthquake shock
Solar radiation
The speed of ship
The curvature of spherical objects

ANSWER DOWNLOAD EXAMIANS APP

Physics
Holography is a technique of

Recording a permanent three dimensional photograph of a given single colour or a multicolour
Recording a permanent three dimensional black and white photograph
Recording a permanent, sharp two diimensional black and white or multicolour photograph
Recording a permanent three dimensional multicolour photograph

ANSWER DOWNLOAD EXAMIANS APP

Physics
The velocity of sound in air

Decreases with increase of temperature
Does not depend on temperature
Increases with decrease of temperature
Decreases with decrease of temperature

ANSWER DOWNLOAD EXAMIANS APP