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