a2zinterviews

13.	The sun is seen before the actual sun rise because of
	A.  Reflection
	B.  Refraction
	C.  Rectilinear propagation of light
	D.  Scattering of light

Answer

Ans: B Refraction

14.	Candela is the unit of
	A.  Luminous effect
	B.  Luminous pressure
	C.  Luminous intensity
	D.  Luminous flux

Answer

Ans: C Luminous intensity

15.	The shortest unit of length is
	A.  Nanometer
	B.  Micron
	C.  Fermimeter
	D.  Angstrum

Answer

Ans: A Nanometer

16.	Wright Brothers are regarded inventors of the
	A.  Aeroplane
	B.  Computer
	C.  Bicycle
	D.  Balloon

Answer

Ans: A Aeroplane