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Given the QUESTION, identify the ANSWER
1. How much heat is required to raise the temperature of 1g of water by 1 oC. 1 Joule
100 Calories
100 Joules
1 Calorie
Answer: 1 Calorie 2. What is the speed of sound in air in meters per second (at a pressure of one atmosphere and temperature of 25oC)? 110
330 230
490
Answer: 330 3. The SI unit of electric current is Farad
Ohm
Mho
Ampere
Answer: Ampere
4. What type of lens is a magnifying glass? Concave
Plano-Concave
Convex Plane Glass
Answer: Convex 5. The wire of an electric bulb is known as the Heating Element
Luminous Wire
Filament Radiator
Answer: Filament 6. What is the name of the point where light rays from infinity coverge after passing through a lens? Parabola
Focus Center
Infinity
Answer: Focus 7. The presence of charge on a substance can be confirmed by a Electrodes
Ammeter
Gold Leaf Electroscope Thermometer
Answer: Gold Leaf Electroscope 8. Which of the following is not a good heat insulator? Wood
Wool
Feathers
Iron
Answer: Iron 9. Which of the following is attracted by a magnet? Iron Glass
Leather
Sodium
Answer: Iron 10. When a spring is released, its potential energy is converted to Magnetic Energy
Kinetic Energy Electrical Energy
Light Energy
Answer: Kinetic Energy 11. Conductors have a _______ resistance. High
Low Intermediate
Unknown
Answer: Low 12. A freely suspended magnet always aligns itself along the East West Axis
West South Axis
North South Axis East South Axis
Answer: North South Axis 13. By which of the following methods does heat transfer not take place? Conduction
Convection
Refraction Radiation
Answer: Refraction 14. Bending of light rays when they enter a different medium is known as Refraction Reflection
Convection
Radiation
Answer: Refraction 15. What is the name given to the band of seven colors formed by splitting of light by a prism? Color Band
Spectrum Color Arc
Prism Band
Answer: Spectrum 16. Light travels in a Circular Path
Straight Line Parabolic Path
Hyperbolic Path
Answer: Straight Line 17. What does this statement define The rate of change of position in a fixed direction. Velocity Speed
Acceleration
Momentum
Answer: Velocity 18. Metals expand on heating and contract on cooling. True False
Answer: True 19. A bicycle dynamo generates Direct Current. True False
Answer: True 20. The high pitched cries of a bat are above human hearing. True False
Answer: True
Try the Quiz : Science Quiz : General Physics
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