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Two coherent sources S1 and S2 separated by distance 2 lemda emit light of wavelength lemda in phase as shown in the figure. A circular wire of radius 100 lemda is placed in such a way Two coherent sources S1 and S2 separated by distance 2 lemda emit light of wavelength lemda in phase as [...]

4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (ii) 2p, 4q, 8r 4. Obtain the volume of rectangular boxes with the following length 4q 8r breadth and height respectively. (ii) 2p October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 [...]

Three slabs A, B and C are placed in front of slits in YDSE as shown in figure. Refractive index of slabs A, B and C are 4/3, 5/3 and 8/3 respectively and thickness of A, B and c are 2mm 5/3 and 8/3 respectively and thickness of A B and c are 2mm B [...]

4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (i) 5a, 3a^2, 7a^4 3a^2 4. Obtain the volume of rectangular boxes with the following length 7a^4 breadth and height respectively. (i) 5a October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 [...]

3. Complete the following table of products: 3. Complete the following table of products: October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 ,

Bichromatic light is used in YDSE having wavelengths lemda 1 = 400 nm and lemda 2 = 700 nm. Find minimum order of lemda 1 which overlaps with lemda 2. Bichromatic light is used in YDSE having wavelengths lemda 1 = 400 nm and lemda 2 = 700 nm. Find minimum order of lemda 1 [...]

In YDSE, find the thickness of a glass slab (in mu m) which should be placed before the upper slit so that the central maximum now lies at a point where 5th bright fringe was lying earlier find the thickness of a glass slab (in mu m) which should be placed before the upper slit [...]

Interference fringes are produced by a double-slit experiment and a piece of plane parallel glass of refractive index 1.5 is interposed in one of the interfering beams. If the fringes are displaced through A monochromatic light of lemda = 500 A is incident on two identical slits separated by a distance of 5 * 10^-4 [...]

In Young’s double-slit experiment, the two slits act as coherent sources of equal amplitude A and of wavelength lemda. In another experiment with the same setup, the two slits are sources In Young's double slit experiment the two slits act as coherent sources of equal amplitude A and of wavelength lemda. In another experiment with [...]

Observe the following pattern and supply the missing numbers. 11^2 = 121 101^2 = 10201 10101^2 = 102030201 1010101^2 = ………………….. ………^2 = 10203040504030201 Observe the following pattern and supply the missing numbers. 11^2 = 121 101^2 = 10201 10101^2 = 102030201 1010101^2 = ....................... .........^2 = 10203040504030201 October 11, 2020 Category: Chapter 6 - [...]