The place which has the longest day and the shortest night on 22nd December, is—
Which one of the following would have occurred if the earth had not been inclined on its own axis?
All the seasons would have been of same duration
The seasons would not have changed
The summer would have been of longer duration
The winter would have been of longer duration
Which of the following best describes longitude?
A imaginary line joining north and south poles.
The distance between a place east or west of the Greenwich Meridian
The angular distance east or west of the Greenwich Meridian
The position of a place on earth’s surface with reference to the Prime meridian
The sun rays fall vertically on the Tropic of Cancer on:
The latitude of a place expresses its angular position relative to the place of—
Axis of the earth
The most abundant metal in the earth’s crust is:
Quartz composed of which two elements—
Iron and magnesium
Iron and oxygen
Oxygen and silicon
Silicon and iron ???????
Which of the following is present in the largest amount in terms of percent by mass in the earth’s crust ?
Consider the following statements—
1. The whole core is in a molten state.
2. The outer core is in a solid state and the inner core is in a molten state.
3. The outer core is in a molten state and the inner core is in a solid state.
4. The whole core is in a solid state.
Which of the following is true?
What is the average density of the earth?