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Physics Quiz 2

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Basic Physics Online Test

  • This is an online quiz to test your knowledge of Basic Physics.
  • This Online Test is useful for academic and competitive exams.
  • Multiple answer choices are given for each question in this test. You have to choose the best option.
  • After completing the test, you can see your result.
  • There are 10 questions in the test.
  • There is no negative marking for wrong answers.
  • There is no specified time to complete this test.
  • EduDose has provided this test in both English and Hindi medium.

Lambert's law is related to:

Lambert's law is related to Illumination. This law stated that the loss of light intensity when it propagates in a medium is directly proportional to intensity and path length.

Intensity of gravitational field of earth is maximum at:

The intensity of the Gravitational field of the Earth is maximum at the poles and it is minimum at the equator because the distance between the surface of the earth and its centre is maximum at the equator and it is minimum at the poles.

What is 'Teletext'?

Teletext is a standard for displaying text and graphics on the TV screen. Teletext sends data in the broadcast signal, hidden in the invisible vertical blanking interval area at the top and bottom of the screen.

When a body is taken from earth to moon:

When a body is taken from earth to moon, weight changes but mass remains same. An object's weight is dependent on its mass and how strongly gravity pulls on it. The strength of gravity depends on how far away one object is from another. That's why the same object weighs different amounts on different planets.

The type of mirrors used in the headlamp of cars is:

A parabolic concave mirror is used in torches and car headlamps as reflectors. This type of mirror is capable of directing the light at a particular point as they have converging power. These mirrors provide clear visibility.

Water is not effective in extinguishing a fire caused by petrol because:

Water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn. Water is heavier than petrol, petrol will come above the water and continue the contact with the atmosphere (oxygen).

A concave lens always forms an image which is:

A concave lens is used to minimize the proportions of the objects and gives a wider view of the object or area. It always forms virtual, erect and diminished image.

An electrostatic precipitator is used to control:

Electrostatic precipitators are used for air pollution control, particularly for removing harmful particulate matter from waste gases at industrial facilities and power-generating stations.

'IC' in computers stands for:

An integrated circuit (IC) is a set of electronic circuits on one small flat piece of semiconductor material, usually silicon. IC can function as an amplifier, oscillator, timer, microprocessor, or even computer memory.

Decibel is the unit used for:

Decibel (db) is the unit used for the intensity of sound. The 'normal' hearing frequency range of a healthy young person is about 20 to 20,000Hz. Though a 'normal' audible range for loudness is from 0 to 180dB, anything over 85dB is considered damaging.

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