Every Day Science Section-3 | Multiple Questions and Answers

11.	The beautiful color patterns exhibited by a peacock in its tail feathers are due to :

	A.	Selective absorption of light
	B.	Selective reflection of light
	C.	Sinterference of light
	D.	None of these

12.	A lake starts freezing because of the cold atmosphere. It will first freeze :

	A.	At the bottom
	B.	In the middle part
	C.	At the top surface
	D.	Of refraction

13.	The sun appears red at sunrise and sunset while it appears white at noon, because :

	A.	Of refraction
	B.	It is cooler at sunrise and at sunset
	C.	Of scattering of light due to dust particles and air molecules
	D.	At the top surface

14.	An astronaut inside a spacecraft is in a state of weightlessness. This implies that :

	A.	The mass of the astronaut is reduced to zero
	B.	Gravity inside the space craft ceases to act
	C.	the astronaut and the space craft are both in a free-falling state
	D.	None of these