MEDIUM
9th Tamil Nadu Board
IMPORTANT
Earn 100

The period of revolution of Planet A is 8 times that of Planet B. How many times is the distance of Planet A as great as Planet B.

50% studentsanswered this correctly

Important Questions on Universe

EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q i
The Big Bang occurred _____ years ago.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q ii
The speed of the Sun in kmsec is _____
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q ii
The rotational period of sun near its pole is _____.
Choose from the given options (15, 25, 36)
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q ii
India's first satellite is _____
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q ii
The third law of Kepler is also known as law of _____ (ellipses / harmonies).
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q ii
The number of planets in the solar system is _____
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q iii
ISS is a proof of international cooperation.
EASY
9th Tamil Nadu Board
IMPORTANT
Science Standard 9>Chapter 9 - Universe>textbook exercises>Q iii
Halley's comet appears nearly after 67 hours.