A pole 6 m high casts a shadow 2√3 m long on the ground, then the Sun’s elevation is (A) 60° (B) 45° (C) 30° (D) 90°

The correct answer is 18m

(b) will not be strictly elliptical because the total gravitational force on it is not central. 

(i) Let the length of the shadow of the other pole be x m. 1 m = 100 cm The given information in the form of a table is as follows. Height...

Error –0.30 > –0.25

The magnetic field lines are the lines drawn in a magnetic field along which a north magnetic pole would move. The magnetic field lines are also known as magnetic lines...

When the sun is overhead, then the light coming from the sun has to travel a relativity shorter distance through the atmosphere to reach us. During the shorter journey of...

The Pole Star can be seen at an angle of 90° at the North Pole.

90° N and 90° S.

1. Latitude of Equator The latitude of the equator is 0°. Here the days and nights are equal throughout the year and the rays of the sun fall exactly vertically...

On account of the obliquity of the earth’s axis, for six month i.e., from March 21 to Sept. 23 the north pole is inclined towards the Sun and is always...