Doubtly
@Doubtly · Joined Feb 2021
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- A parallel beam of monochromatic light is incident on a plane transmission grating having 3000 lines/cm wavelength is 5555 A^o 1
- 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
- The perimeter of a rectangle is 40 cm and its length is 5 cm more than twice its breadth. Find the length and the Let's solve the problem step by step: Let the breadth of the rectangle be 'x' cm, and the length be 'y' cm. Given information: The perimeter... 1
- If I divide the sum of two numbers by 3, the quotient is 4 and the remainder 1. Let's solve the problem step by step: Let the two numbers be represented by 'x' and 'y'. Given information: When the sum of two numbers is d... 1
- Age of John’s father is three times the age of John. Five years ago, age of father was four times John’s age at that Let John's age be represented as 'x' years, and his father's age be represented as 'y' years. Given conditions: John's father is three times... 1
- The sum of the present ages of Mangesh and his mother is 70 years. Seven years ago mother’s age was three Let Mangesh age be 'x' years and his Mother's age be 'y' years Given Condition's sum of mangesh age and his mother age is 70 years x+y=70 --... 1
- The sum of the present ages of Ram and Shyam is 36 years. Ram is elder than Shyam by 2 years. Find their present ages. Given data: The sum of the present ages of Ram and Shyam is 36 years: Ram + Shyam = 36 Ram is elder than Shyam by 2 years: Ram = Shyam + 2 W... 1