Question

If the radius of earth becomes half and its mass
remains unaltered then a day will be of-​

Answer 1

Answer:

will be of half

Explanation:

becoz of the following reasons

Answer 2

Answer:

12 hours in which some hours will be night hours and rest will be daylight time.

Explanation:

Because radius becomes half circumference becomes half and since mass is same speed of rotation will be same; so instead of present 24 hour date it will be a 12 hour DATE.