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Bright and Dark Fringes Are Seen on a Screen When

Question 7

Multiple Choice

Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved


A) if the distance between the slits is changed to Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved A) if the distance between the slits is changed to . B) if the wavelength is changed to . C) if the distance between the slits is the wavelength is changed to . D) if any of the above occurs. E) only if the width of the slits is changed to . .
B) if the wavelength is changed to Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved A) if the distance between the slits is changed to . B) if the wavelength is changed to . C) if the distance between the slits is the wavelength is changed to . D) if any of the above occurs. E) only if the width of the slits is changed to . .
C) if the distance between the slits is Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved A) if the distance between the slits is changed to . B) if the wavelength is changed to . C) if the distance between the slits is the wavelength is changed to . D) if any of the above occurs. E) only if the width of the slits is changed to . the wavelength is changed to Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved A) if the distance between the slits is changed to . B) if the wavelength is changed to . C) if the distance between the slits is the wavelength is changed to . D) if any of the above occurs. E) only if the width of the slits is changed to . .
D) if any of the above occurs.
E) only if the width of the slits is changed to Bright and dark fringes are seen on a screen when light from a single source reaches two narrow slits a short distance apart. The number of fringes per unit length on the screen can be halved A) if the distance between the slits is changed to . B) if the wavelength is changed to . C) if the distance between the slits is the wavelength is changed to . D) if any of the above occurs. E) only if the width of the slits is changed to . .

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