RRB Junior Engineer (JE) Sample Paper: General Science-15

1. Lamberts law is related to

(a) Reflection
(b) Refraction
(c) Interference
(d) illumination

2. Which of the following laws validates the statement that matter can neither be created nor destroyed ?

(a) Law of conservation of energy
(b) Le Chateliers Principle
(c) Law of conservation of mass
(d) Law of osmosis

3. Decibel is the unit used for

(a) Speed of light
(b) Intensify of heat
(c) Intensity of sound
(d) Radio wave frequency

4. The term Isoneph indicates the lines of equal

(a) cloudiness
(b) salinity
(c) rainfall
(d) pressure

5. The atmospheric layer reflecting radio waves is called

(a) Ozonosphere
(b) Ionosphere
(c) Stratosphere
(d) Mesosphere

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Study Kit for RRB Junior Engineer EXAM (Phase-1) 

1(d), 2(c), 3(c), 4(a), 5(b)