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12th Class Physics
Short Questions Preparation
Start Chapter 19 Preparation
12th Class Physics Chapter Wise Preparation
Online Short Questions For Chapter 8 "ICS Part 2 Physics Chapter 19 Short Questions Preparation "
Try The Short Questions For ICS Part 2 Physics Chapter 19 Short Questions Preparation
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Total Questions10
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Available Sets3
Physics - ICS Part 2 Physics Chapter 19 Short Questions Preparation
Question # 1
What are black body radiations and how can you get a black body?
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Ans 1: An objects that absorbs all radiations falling on it,at all wavelength is called a black body.When a body is heated ,it emits radiation its emission is called black body.Black body is solid that has hollow cavity within it and a small hole through which radiations can enter or escape.The inside is blackened with suit to make it as good an absorber and as a bad reflector as possible.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 1
Question # 1
What are black body radiations and how can you get a black body?
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Ans 1: An objects that absorbs all radiations falling on it,at all wavelength is called a black body.When a body is heated ,it emits radiation its emission is called black body.Black body is solid that has hollow cavity within it and a small hole through which radiations can enter or escape.The inside is blackened with suit to make it as good an absorber and as a bad reflector as possible.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 2
Question # 1
What advantage of an electron microscope has over an optical microscope?
What advantage of an electron microscope has over an optical microscope?
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Ans 1:
- Resolving power of an electron microscope is 1000 times greater than that of optical microscope.
- Magnification of an electron microscope is also about 1000 times greater than that of optical microscope.
- 3-D image of remarkable quality can be obtained by electron.
ICS Part 2 Physics Chapter 19 Short Questions Preparation - Set 3
Question # 1
A satellite is orbiting around earth.Is its frame of reference inertial or non-inertial ?Justify your answer.
- Ans 1: The motion of the satellite is synchronized with the earth so it is in the same frame of reference in which earth lies.Hence the frame of reference will be inertial.
