Physics
The splitting of white light into its components is due to:

Transmission
Refraction
Dispersion
Reflection

ANSWER DOWNLOAD EXAMIANS APP

Physics
A standing wave occurs when

Two waves overlap
The speed of the wave is zero or near zero
A wave reflects upon itself
The amplitude of a wave exceeds its wavelength

ANSWER DOWNLOAD EXAMIANS APP

Physics
The sensation of weightlessness in a spacecraft in an orbit is due to the

Fact that spacecraft in the orbit has no energy
Presence of gravity outside but not inside the spacecraft
Absence of gravity outside
Acceleration in the orbit which is equal to the acceleration due to gravity outside

ANSWER DOWNLOAD EXAMIANS APP