A slit of width a is illuminated by white light.
(a) For what value of a will the first minimum for red light of wavelength `lambda = 650 nm` appear at `theta= 15^(@)`?

A slit of width d is illuminated by white light (which consists of all the wavelengths in the visible range). (a) For what value of d will the first minimum for red light of wavelength lambda = 6500Å appear at theta = 15^(@) ? (b) What is the wavelength lambda of the light whose first side diffraction maximum is at 15^(@) , thus coinciding with the first minimum for the red light? [(a) 2.5 mu m, (b) 4300Å]

A slit of width d is illuminated by white light. For what value of d is the first minimum for red light of lambda = 650 nm , located at point P at 30^(@) . For what value of the wavelength of light will the first diffraction maxima also fall at P ?

A slit of width d is illuminated by red light of wavelength 6500Å For what value of d will the first maximum fall atangle of diffractive of 30^(@)

A slit of width a illuminated by red light of wavelength 6500 Å . The first minimum will fall at theta=30^(@) if a is

A slit of width 'a' is illuminated by red light of wavelenght 6500 Å . For what value of 'a' will the (i) first minimum fall at an angle of diffraction of 30^(@) ? (ii) first maximum fall at an angle of diffraction of 30^(@) ?

A slit of width a is illuminiated by white light. The first diffraction minimum for light of lamda=6500 Å is formed at theta=30^(@) , then the width (a) of the slit is

A slit of width 'd' is illuminated by light of wavelength 5000 Å . For what value od 'd' will the first maximum fall at an angle of diffraction of 30^(@) .

The slit of width 'b' is illuminated by light of wavelength 6000 Å . For what value of 'b' will be first maximum fall at angle of diffraction of 30^@ ?