D. C. Pandey Solutions for Chapter: Universe, Exercise 25: Objective Problems [Level 2]

Author:D. C. Pandey

D. C. Pandey Physics Solutions for Exercise - D. C. Pandey Solutions for Chapter: Universe, Exercise 25: Objective Problems [Level 2]

Attempt the free practice questions on Chapter 13: Universe, Exercise 25: Objective Problems [Level 2] with hints and solutions to strengthen your understanding. Complete Study Pack for Engineering Entrances Objective Physics Vol 2 solutions are prepared by Experienced Embibe Experts.

Questions from D. C. Pandey Solutions for Chapter: Universe, Exercise 25: Objective Problems [Level 2] with Hints & Solutions

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

The surface temperature is maximum for

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 5

A satellite orbiting around the earth appears stationary when

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 6

The condition for a uniform spherical mass m of radius r to be a black hole is (G= gravitational constant and g= acceleration due to gravity))

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 7

How many times more, the mass of the original star is to be larger than that of the sun for the formation of Black hole?

EASY
JEE Advanced
IMPORTANT
Complete Study Pack for Engineering Entrances Objective Physics Vol 2>Chapter 13 - Universe>Objective Problems [Level 2]>Q 1

Assertion: To an astronaut, the outer space appears black

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

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.