Q. When you pull out the plug connected to an electrical appliance, you often observe a spark. To which property of the appliance, is this related?
1) Capacitance
2) Resistance
3) Inductance
4) Wattage
Q. The focal length of a convex lens is
1) shorter for blue light than for red
2) the same for all colours
3) shorter for red light than for blue
4) maximum for yellow light
Q. When a ball drops on to the floor it bounces. Why does it bounce?
1) The floor heats up on impact
2) Newton's third law implies that for every action there is a reaction
3) File floor exerts a force on the ball during the impact
4) The floor is perfectly rigid
Q. Renewable energy can be obtained from
1) Biomass
2) Fossils
3) Radioactive
4) Natural gas
Q. A body has a mass of 6 kg on the Earth; when measured on the Moon, its mass would be
1) nearly 1 kg
2) 6 kg
3) less than 1 kg
4) less than 6 kg
Q. Which one among the following is not included in the basic functions of operating system?
1) Job Control
2) Job Scheduling
3) Memory Management
4) Data Management
Q. Transformer is a kind of appliance that can
1. increase power
2. increase voltage
3. decrease voltage
4. measure current and voltage
Select the correct answer using the code given below:
1) 2 and 3 only
2) 1 and 4
3) 4 only
4) 2, 3 and 4
Q. Who is the Chief Law Officer of India
1) Secretary, Law Department
2) Attorney General
3) Advocate General
4) Solicitor General
Q. Protectionism in the international trade stands for
1) Semi-restricted trade
2) Free trade policy
3) Restricted trade policy
4) All of these
Q. Which of the following is the best conductor of electricity ?
1) Saline water
2) Warm water
3) Cold water
4) Distilled water
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