101 Q) "Which one among the following correctly defines a unit magnetic pole in SI units?
It is the pole which when placed in air at a distance of
"
(a)1 foot from an equal and a similar pole repels it with a force of 1 pound
(b)1 metre from an equal and similar pole repels it with a force of 1 newton
(c)1 cm from an equal and a similar pole repels it with a force of 1 dyne
(d)1 metre from an equal and a similar pole repels it with a force of 1 newton/m2
102 Q) "When you pull out the plug connected to an electric appliance, you will often observe a spark. To which property of the appliance is this related?.
"
(a) Resistance
(b) Inductance
(c) Capacitance
(d) Wattage
103 Q) "The scent sprayer is based on
"
(a) Carle's law
(b) Boyle's law
(c)Archimede's principle
(d)Bernoulli's theorem
104 Q) In scuba diving, while ascending towards the water surface, there is a danger of bursting the lungs. It is because
(a)Graham's law of diffusion
(b)Archimede's principle
(c)Boyle's law
(d) Henry's law
105 Q) "Which type/types of pen uses/use capillary action in addition to gravity for flow of ink?
"
(a)Fountain pen
(b)Ballpoint pen
(c)Gel pen
(d)Both ballpoint and gel pens
106 Q) "Insects are able to run on the surface of water because
"
(a)insects have less weight
(b)insects can swim on water
(cj of the Archimede's upthrust
(d)surface tension makes the surface behave as an elastic membrane.
107 Q) "A perfect black body has the unique characteristic feature as
"
(a)a good absorber only
(b)a good radiator only
(c)a good absorber and a good radiator
(d)Neither an absorber nor radiator
108 Q) "Why are the inner lining of hot water made up of copper?.
"
(a)Copper has less heat capacity
(b)Copper has high electrical conductivity
(c)Copper does not react with steam
(d)Copper is good conductor of both heat and electricity
109 Q) Which one of the following causes green house effect?
(a) Cosmic rays
(b) Ultra-violet rays
(c)Infrared rays
(d) Radio waves
110 Q) "Light Emitting Diode (LED) converts
"
"(a) light energy into electrical energy
"
(b) electrical energy into light energy
(c) thermal energy into light energy
(d) mechanical energy into electrical energy
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