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Colours appear on a thin soap film and s...

Colours appear on a thin soap film and soap bubbles due to the phenomenon of

A

interference.

B

scattering

C

diffraction

D

dispersion.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. In a Young's experiment,two coherent sources are placed 0.9 mm apart a...

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  2. In a Fresnel biprism experiment,the two positions of lens give separat...

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  3. Colours appear on a thin soap film and soap bubbles due to the phenome...

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  4. The frequency of e.m. wave which is best suited to observe a particle ...

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  5. A telescope has an objective lens of 10 cm diameter and is situated at...

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  6. Diameter of human eye lens is 2 mm.What will be the minimum distance b...

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  7. Which one of the following statement is true?

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  8. A ray of light from a rarer medium strikes a denser medium. The reflec...

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  9. Velocity of light in a liquid is 1.5 xx 10^8 ms^(-1) and in air,it is ...

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  10. A ray light is incident on a 60^@ prism at the minimum deviation posit...

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  11. A thin prism of angle 15^@ made of glass of refractive index = 1.5 is...

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  12. Two mirrors are kept at 60^@ to each other and a body is placed at mid...

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  13. In an experiment ot find the focla length of a concave mirror,a graph ...

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  14. A concave mirror of focal length 15 cm forms an image having twice the...

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  15. When a ray of light enters a glass slab,then

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  16. An electromagnetic radiation of frequency v ,wave-length gamma,travell...

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  17. In refraction,light waves are bent on passing from one medum to the se...

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  18. A ray of light having wavelength 720 nm enters in a glas of refractive...

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  19. Light of having wavelength lambda and of intensitty I0 passes through...

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  20. The apparent depth of water in cylindrical water tank of diameter 2 R ...

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