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In Young’s double slit experiment using monochromatic light, the fringe pattern shifts by a certain distance on the screen, when a mica sheet of refractive index 1.6 and thickness 2 micron
10
Oct
In Young’s double slit experiment using monochromatic light, the fringe pattern shifts by a certain distance on the screen, when a mica sheet of refractive index 1.6 and thickness 2 micron In Young's double slit experiment using monochromatic light the fringe pattern shifts by a certain distance on the screen when a mica sheet of [...]
6.Simplify: (v) 0 × 10^2
10
Oct
6.Simplify: (v) 0 × 10^2 6.Simplify: (v) 0 × 10^2 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
Interference fringes are produced by a double slit arrangement and a piece of plane parallel glass of refractive index 1.5 is interposed in one of the interfering beams. If the fringes
10
Oct
Interference fringes are produced by a double slit arrangement and a piece of plane parallel glass of refractive index 1.5 is interposed in one of the interfering beams. If the fringes Interference fringes are produced by a double slit arrangement and a piece of plane parallel glass of refractive index 1.5 is interposed in one [...]
A solid sphere of radius R made of a material of bulk modulus B is surrounded by a liquid in a cylindrical container. A massless piston of area A (the area of container is also A) floats on the surface of the liquid. When a mass M is placed on the piston to compress the liquid , find the fractional change in radius of the sphere
10
Oct
A solid sphere of radius R made of a material of bulk modulus B is surrounded by a liquid in a cylindrical container. A massless piston of area A (the area of container is also A) floats on the surface of the liquid. When a mass M is placed on the piston to compress the [...]
6.Simplify: (iv) 3 × 4^4
10
Oct
6.Simplify: (iv) 3 × 4^4 6.Simplify: (iv) 3 × 4^4 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
6.Simplify: (iii) 2^3 × 5
10
Oct
6.Simplify: (iii) 2^3 × 5 6.Simplify: (iii) 2^3 × 5 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
6.Simplify: (ii) 7^2 × 2^2
10
Oct
6.Simplify: (ii) 7^2 × 2^2 6.Simplify: (ii) 7^2 × 2^2 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
The average depth of Indian Ocean is about 3000 m. The fractional compression, V Δ/V of water at the bottom of the ocean is then (Given: Bulk modulus of the water=2.2 × 10 ^ 9 N/m^-2 and density of water = 1000 kg /m^3 )
10
Oct
The average depth of Indian Ocean is about 3000 m. The fractional compression, V Δ/V of water at the bottom of the ocean is then (Given: Bulk modulus of the water=2.2 × 10 ^ 9 N/m^-2 and density of water = 1000 kg /m^3 ) The average depth of Indian Ocean is about 3000 m. [...]
The breaking stress for a metal is 7.8 x 10^9 N/m^2. The density of the metal is 7800 kg m^-3. If g = 10 N Kg^-1, Find the maximum length of the wire made of this metal which may suspended without breaking.
10
Oct
The breaking stress for a metal is 7.8 x 10^9 N/m^2. The density of the metal is 7800 kg m^-3. If g = 10 N Kg^-1, Find the maximum length of the wire made of this metal which may suspended without breaking. Find the maximum length of the wire made of this metal which may [...]
6.Simplify: (i) 2 × 10^3
10
Oct
6.Simplify: (i) 2 × 10^3 6.Simplify: (i) 2 × 10^3 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,