Question

The average of all solar days in which the earth completes one revolution around the sun is called ______

• A. solar day
• B. mean solar day
• C. hour
• D. millennium

Answer 1

The correct option is B

mean solar day

The time interval between two successive noons is called solar day. The average of all solar days in which the earth completes one revolution around the sun is called the mean solar day. The mean solar day is divided into twenty-four equal intervals and each interval is called an hour.