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A monochromatic beam of light of wavelength 5000 A is used in Young’s double slit experiment. If one of the slits is covered by a transparent sheet of thickness 1.4 * 10^-5 m, having refractive
11
Oct
A monochromatic beam of light of wavelength 5000 A is used in Young’s double slit experiment. If one of the slits is covered by a transparent sheet of thickness 1.4 * 10^-5 m, having refractive A monochromatic beam of light of wavelength 5000 A is used in Young's double slit experiment. If one of the [...]
Observe the following pattern and find the missing digits: 11^2 = 121 101^2 = 10201 1001^2 = 1002001 10001^2=100020001 100001^2 = 1…..2……1 10000001^2= ………………..
11
Oct
Observe the following pattern and find the missing digits: 11^2 = 121 101^2 = 10201 1001^2 = 1002001 10001^2=100020001 100001^2 = 1…..2……1 10000001^2= ……………….. Observe the following pattern and find the missing digits: 11^2 = 121 101^2 = 10201 1001^2 = 1002001 10001^2=100020001 100001^2 = 1.....2......1 10000001^2= .................... October 11, 2020 Category: Chapter 6 - [...]
The squares of which of the following would be odd numbers? (i) 431 (ii) 2826 (iii) 7779 (iv) 82004
11
Oct
The squares of which of the following would be odd numbers? (i) 431 (ii) 2826 (iii) 7779 (iv) 82004 The squares of which of the following would be odd numbers? (i) 431 (ii) 2826 (iii) 7779 (iv) 82004 October 11, 2020 Category: Chapter 6 - Squares and Square Roots , Maths , NCERT Class 8 [...]
In YDSE, find the thickness ( in mu m ) of a glass slab ( mu = 1.5) which should be placed before the upper slit S1 so that the central maximum now lies at a point where 5th bright
11
Oct
In YDSE, find the thickness ( in mu m ) of a glass slab ( mu = 1.5) which should be placed before the upper slit S1 so that the central maximum now lies at a point where 5th bright find the thickness ( in mu m ) of a glass slab ( mu = [...]
The following numbers are obviously not perfect squares. Give reason. (i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050
11
Oct
The following numbers are obviously not perfect squares. Give reason. (i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050 The following numbers are obviously not perfect squares. Give reason. (i) 1057 (ii) 23453 (iii) 7928 (iv) 222222 (v) 64000 (vi) 89722 (vii) 222000 (viii) 505050 October 11, 2020 [...]
A glass of refractive index 1.5 is coated with a thin layer of thickness of t of refractive index 1.8. Light of wavelength lemda travelling in air is incident normally on the layer. It is partly
11
Oct
A glass of refractive index 1.5 is coated with a thin layer of thickness of t of refractive index 1.8. Light of wavelength lemda travelling in air is incident normally on the layer. It is partly A glass of refractive index 1.5 is coated with a thin layer of thickness of t of refractive index [...]
A monochromatic light of lemda = 500 A is incident on two identical slits separated by a distance of 5 * 10^-4 m. The interference pattern is seen on a screen placed at a distance of 1 m
11
Oct
A monochromatic light of lemda = 500 A is incident on two identical slits separated by a distance of 5 * 10^-4 m. The interference pattern is seen on a screen placed at a distance of 1 m A monochromatic light of lemda = 500 A is incident on two identical slits separated by a [...]
4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (iv) a, 2b, 3c
11
Oct
4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (iv) a, 2b, 3c 2b 3c 4. Obtain the volume of rectangular boxes with the following length breadth and height respectively. (iv) a October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 [...]
In Young’s double slit experiment lemda = 500 nm, d = 1mm, and D = 4 m. The minimum distance from the central maximum for which the intensity is half of the maximum intensity
11
Oct
In Young’s double slit experiment lemda = 500 nm, d = 1mm, and D = 4 m. The minimum distance from the central maximum for which the intensity is half of the maximum intensity and D = 4 m. The minimum distance from the central maximum for which the intensity is half of the maximum [...]
4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (iii) xy, 2x^2y, 2xy^2
11
Oct
4. Obtain the volume of rectangular boxes with the following length, breadth and height respectively. (iii) xy, 2x^2y, 2xy^2 2x^2y 2xy^2 4. Obtain the volume of rectangular boxes with the following length breadth and height respectively. (iii) xy October 11, 2020 Category: Chapter 9 - Algebraic Expressions and Identities , Maths , NCERT Class 8 [...]