A linear aperture whose whdth is 0.02 cm is placed immediately in front of a lens of cocal length 60cm. The aperture is illminated nornally by a parallel beam of wavelength `5xx10^(-5)` cm. The distance of the first dark band of the diffraction pattern from the centre of the screen is

A linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60cm. The aperture is illuminated normally by a parallel beam of wavelength 5xx10^(-5) cm. The distance of the first dark band of the diffraction pattern from the centre of the screen is

A screen with linear aperture whose width is 0.02 cm is placed immediately in front of a lens of focal length 60 cm The aperture is illuminated normally by a parallel beam of wavelength 5xx10^-5 cm.The distance of the first dark band of the diffraction pattern from the centre of the screen is.

A linear aperture whose width is 0.02 em is placed immediately in front of a lens of focal length 60 cm. The aperture is illuminated normally by a parallel beam of wavelength 5 xx 10^(-5) cm . The distance of the first dark band of the differation pattern from the centre of the screen is .......

A linear aperture whose width is 0.02cm is placed immediately in front of a lens of focal length 60cm . The aperture is illuminated normally by a parallel beam of wavelength 5xx10^-5cm . The distance of the first dark band of the diffraction pattern from the centre of the screen is

A linear aperture whose width is 0.02cm is placed immediately in front of a lens of focal length 60cm . The aperture is illuminated normally by a parallel beam of wavelength 5xx10^-5cm . The distance of the first dark band of the diffraction pattern from the centre of the screen is

A slit of width 0.025 mis placed in front of a lens of focal length 50 cm. The slit is illuminated with light of wavelength 5900 Å. Calculate the distance between the centre and first dark band of diffraction pattern obtained on a screen placed at the focal plane of the lens.

The image distance of an object placed 10 cm in front of a thin lens of focal length + 5 cm is

An object is kept in front of a lens of focal length +10 cm. Describe the nature of the image in the object distance is 5 cm.