Physics
Which of the following experiments analyzed the Fraunhofer lines of the solar spectrum?

Barkla's experiment on scattering of X-rays
Lamb-Rutherford experiment
Geiger and Marsdens experiment on scattering of alpha particles
Bunsen and Kirchhoff's experiment

ANSWER DOWNLOAD EXAMIANS APP

Physics
The velocity of sound in air

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

ANSWER DOWNLOAD EXAMIANS APP

Physics
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
at sea level
at the top of Mt. Everest
at a place in a valley below sea level

ANSWER DOWNLOAD EXAMIANS APP