EASY
JEE Advanced
IMPORTANT
Earn 100

Assertion: To an astronaut, the outer space appears black

Reason: In outer space, there is nothing to scatter light.

50% studentsanswered this correctly

Important Questions on Universe

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 2

Assertion A star which appears blue will be much hotter than the sun.

Reason It is based on Wien's law.

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 3

Assertion There is no atmosphere on moon.

Reason Escape velocity at the surface of moon is low.

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 4

Assertion: The comets do not obey Kepler's laws of planetary motion.

Reason: The comets do not revolve in elliptical orbits.