CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Advanced Sunrise and Delayed Sunset

The day is lo...

Question

The day is longer on the earth by about 4 minutes because :
(a) the earth is round in shape (b) the earth rotates on its axis
(c) the earth revolves around the sun (d) the earth has atmosphere

Open in App

Solution

Answer : (d) the earth has atmosphere

Explanation : In the absence of atmosphere there won't be atmospheric refraction and hence no advanced sunrise and no delayed sun set. So length of day will shorter by 2+2=4minutes.

Suggest Corrections

thumbs-up

16

Similar questions

Q. Earth revolves around the sun in ________ orbit and also rotates around on its axis.

Q. A reference frame attached to the earth
(a) is an inertial frame by definition
(b) cannot be an inertial frame because the earth is revolving around the sun
(c) is an inertial frame because Newton's laws are applicable in this frame
(d) cannot be an inertial frame because the earth is rotating about its axis

Q. 1. The earth rotates on its axis from ___________ to ____________
2. The axis of the earth is inclined at an angle of ___________
3. The variation in the length of days and nights is due to _____________ on the earth's axis.
4. The earth's orbit around the sun is __________ in shape.

Q. How much time does earth take
(a) to revolve once around the sun
(b) to complete one rotation around its own axis

State one important consequence of each of the following:

(a) Rotation of Earth on its axis.

(b) Motion of tilted Earth around the Sun.

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Atmospheric Refraction

PHYSICS

Watch in App

explore_more_icon

Explore more

Advanced Sunrise and Delayed Sunset

Standard X Physics

Join BYJU'S Learning Program

CrossIcon