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A type of electromagnetic wave has wavel...

A type of electromagnetic wave has wavelength 50 Å.
What is the speed of the wave in vacuum ?

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Verified by Experts

The speed of X-rays in vacume is `3 xx 10 ^(8) m//s` same as speed of light in vacuum.
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ICSE-SAMPLE QUESTION PAPER 5 -SECTION B
  1. To Which wire does the fuse is connected?

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  2. A type of electromagnetic wave has wavelength 50 Å. Name the wave.

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  3. A type of electromagnetic wave has wavelength 50 Å. What is the spee...

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  4. A type of electromagnetic wave has wavelength 50 Å. State one use of...

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  5. Find the equivalent resistance between A and B.

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  6. State whether the resistivity of a wire changes with the change in the...

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  7. In a laboratory experiment to measure specific heat capacity of copper...

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  8. In a laboratory experiment to measure specific heat capacity of copper...

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  9. In a laboratory experiment to measure specific heat capacity of copper...

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  10. State Ohm's law? How can it be varified experimentally ? Does it hold ...

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  11. A metal wire of resistance 6Omega is stretched so that its length is i...

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  12. A man spend 6-4 KJ energy in displacing a body by 64 m in the directio...

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  13. A man spend 6-4 KJ energy in displacing a body by 64 m in the directio...

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  14. Which of the two wires of similar dimensions, copper or nichrome, woul...

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  15. Two fuse wires are rated 5 A and 20 A. Which of the two is (i) thicker...

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  16. (a) State the laws of refraction of light. Give an expression to relat...

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  17. Write a relation between the angle of incidence (i), angle of emerge...

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  18. How is the heat capacity of the body related to its specific heat capa...

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  19. Represent the change in the nucleus of radioactive element when alpha ...

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  20. What is the name given to elements with same mass number and different...

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