Doubtly
@Doubtly · Joined Feb 2021
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- Calculate the highest order spectrum that can be obtained by a monochromatic light of wavelength 6000A0 by a grating Highest order is 2 1
- Diffraction pattern of single slit of width 0.5 cm is formed by lens of focal length 30 cm . distance between the first dark & the next bright fringe from the axis is 0.0036 cm 2
- Light of wavelength 6000A0 is incident on a slit of width 0.30 mm. The screen is placed 2 m away from the slit. a) position of the first order dark fringe = 4*10⁻³m b)width of the central bright maximum = 8 * 10⁻³ m 1
- In Fraunhofer diffraction pattern due to a single slit, the screen is at a distance of 100 cm from slit & slit is the distance between the central maximum & first order minima is 0.5893 cm 1
- A screen is placed 2 m away from a narrow slit which is illuminated with light of wavelength 6000A0.If the first minimum slit width is 0.24 mm 1
- A slit of width 2μm is illuminated by light of wavelength 6500A0.Calculate the angle at which the first minimum will Answer is 18.9655 1
- A 1.0 m long metallic rod is rotated with an angular frequency of 400 rad s-1about an axis normal to the rod passing Hence, the emf developed between the centre and the ring is 100 V. 1
- A long solenoid with 15 turns per cm has a small loop of area 2 2.0 cm placed inside the solenoid normal to its axis Hence, the induced voltage in the loop is = 7.54x10⁻⁶ V 1
- Find the half angular width of the central maximum in the Fraunhofer diffraction pattern of a slit of width Find the half angular width of the central maximum in the Fraunhofer diffraction pattern of a slit of width 12 X 10⁻⁵ cm,when illuminated by... 2
- A slit of width 0.16 mm is illuminated by a monochromatic light of wavelength 5600A0 A slit of width 0.16 mm is illuminated by a monochromatic light of wavelength 5600A⁰.Find half angular width of a principal maxima 2
- A single slit diffraction pattern is formed using white light. For what wavelength of light does the A single slit diffraction pattern is formed using white light. For what wavelength of light does the 2nd minimum coincide with the 3rd minim... 2
- Calculate the angular separation between the first order minima on either side of central maxima when slit is6 the angular separation between the first order minima 2
- Expansion of Ideas Cleanliness is next to Godliness An unclean environment is an insult to the Creator. Everything that God has created is beautiful, and Mother Nature in her power and means t... 1
- Charity begins at Home. It is very easy to show the whole world that you are doing good deeds. Many people do this just to impress others. But when it comes to trea... 1
- Burning the midnight oil Whenever examination time draws near, students begin staying awake late at night, right up to the early hours of the next morning. They sacr... 1
- Books - our Best Friends Good books enrich the mind by providing knowledge. They also widen the horizons of our imaginations, and give us an insight into different m... 1
- A book cannot be judged by its cover Everything in life that appears to be attractive does not necessarily have great value. So judging by appearances can be misleading. This sa... 1
- Birds of a feather flock together. We must have all seen that birds of the same kind move about in groups and even fly together in groups. In the same way, people are similar... 1