a2zinterviews

29.	1 HP equals
	A.  500 watts
	B.  647 watts
	C.  746 watts
	D.  1000 watts

Answer

Ans: C 746 watts

30.	In nuclear reaction which one of the following is conserved?
	A.  Atomic number, mass number and energy
	B.  Atomic number
	C.  Mass number
	D.  None of these

Answer

Ans: A Atomic number, mass number and energy

31.	The blue colour of sky is due to the phenomenon of
	A.  Dispersion
	B.  Scattering
	C.  Refraction
	D.  Reflection

Answer

Ans: A Dispersion

32.	Which one of the following is deviated by an electric field?
	A.  Alpha rays
	B.  Beta rays
	C.  X rays
	D.  Neutrons

Answer

Ans: A Alpha rays