Theme C : Wave Behaviour

Wave Behaviour

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Wave Behaviour

Available time 20 Minute(s)

Laser light of wavelength 600 nm passes through two narrow slits

A double slit of separation 0.85 mm is arranged so that its plane is normal to a beam of laser light of wavelength 60 nm.

Theme C : Wave Behaviour

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Available time 20 Minute(s)

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Laser light of wavelength 600 nm passes through two narrow slits, causing fringes to be observed on a screen 4.0 m away. If the fringes were spaced 3 cm apart, what was the slit separation?

8×10^-5 m

1.6×10^-4 m

4×10^-3 m

8×10^-3 m

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