Physics
Rain is falling vertically downwards. To a man running east-wards, the rain will appear to be coming from

west
east
northeast
southeast

ANSWER DOWNLOAD EXAMIANS APP

Physics
Holography is a technique of

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
Stars twinkle because

the intensity of light emitted by them changes with time.
the refractive index of the different layers of the earth's atmosphere ch
the distance of the stars from the earth changes with time.
None of these

ANSWER DOWNLOAD EXAMIANS APP