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On reduction with hydrogen , 3.6 g of an oxide of metal left 3.2 g of metal. If the vapour density of metal is 32, the simplest formula of the oxide would be
22
Nov
On reduction with hydrogen , 3.6 g of an oxide of metal left 3.2 g of metal. If the vapour density of metal is 32, the simplest formula of the oxide would be 3.6 g of an oxide of metal left 3.2 g of metal. If the vapour density of metal is 32 On reduction [...]
Sulphur forms the chlorides S2cl2 and Scl2. The equivalent mass of sulphur in Scl2 is
22
Nov
Sulphur forms the chlorides S2cl2 and Scl2. The equivalent mass of sulphur in Scl2 is Sulphur forms the chlorides S2cl2 and Scl2. The equivalent mass of sulphur in Scl2 is November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The equivalent weight of a metal is 9 and vapour density of its chloride is 59.25. The atomic weight of metal is
22
Nov
The equivalent weight of a metal is 9 and vapour density of its chloride is 59.25. The atomic weight of metal is The equivalent weight of a metal is 9 and vapour density of its chloride is 59.25. The atomic weight of metal is November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
1.520 g of the hydroxide of a metal on igination gave 0.995 g of oxide. The equivalent weight of metal is
22
Nov
1.520 g of the hydroxide of a metal on igination gave 0.995 g of oxide. The equivalent weight of metal is 1.520 g of the hydroxide of a metal on igination gave 0.995 g of oxide. The equivalent weight of metal is November 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observe on screen 1 m away. It is observed that the first minimum is at a distance of 2.5mm from the centre of the screen. Find the width of the slit.
20
Nov
A parallel beam of light of wavelength 500 nm falls on a narrow slit and the resulting diffraction pattern is observe on screen 1 m away. It is observed that the first minimum is at a distance of 2.5mm from the centre of the screen. Find the width of the slit. What is the Brewster [...]
Two towers on top of two hills are 40 km apart. The line joining them passes 50 m above a hill halfway between the towers. What is the longest wavelength of radio waves, which can be sent between the towers without appreciable diffraction effects ?
20
Nov
Two towers on top of two hills are 40 km apart. The line joining them passes 50 m above a hill halfway between the towers. What is the longest wavelength of radio waves, which can be sent between the towers without appreciable diffraction effects ? Two towers on top of two hills are 40 km [...]
In double-slit experiment using light of wavelength 600 nm, the angular width of a fringe formed on a distant screen is 0.1^∘ . What is the spacing between the two slits?
20
Nov
In double-slit experiment using light of wavelength 600 nm, the angular width of a fringe formed on a distant screen is 0.1^∘ . What is the spacing between the two slits? In double-slit experiment using light of wavelength 600 nm the angular width of a fringe formed on a distant screen is 0.1^∘ . What [...]
You have learnt in the text how Huygens’ principle leads to the laws of reflection and refraction. Use the same principle to deduce directly that a point object placed in front of a plane mirror produces a virtual image whose distance from the mirror is equal to the object distance from the mirror.
20
Nov
You have learnt in the text how Huygens’ principle leads to the laws of reflection and refraction. Use the same principle to deduce directly that a point object placed in front of a plane mirror produces a virtual image whose distance from the mirror is equal to the object distance from the mirror. and (b) [...]
The 6563 A^0 Hα sign line emitted by hydrogen in a star is found to be red-shifted by 15A^0 . Estimate the speed with which the star is receding from the earth.
20
Nov
The 6563 A^0 Hα sign line emitted by hydrogen in a star is found to be red-shifted by 15A^0 . Estimate the speed with which the star is receding from the earth. The 6563 A^0 Hα sign line emitted by hydrogen in a star is found to be red-shifted by 15A^0 . Estimate the speed [...]
Light of wavelength 5000Å falls on a plane reflecting surface. What are the wavelength and frequency of reflected light ? For what angle of incidence is the reflected ray normal to the incident ray ?
20
Nov
Light of wavelength 5000Å falls on a plane reflecting surface. What are the wavelength and frequency of reflected light ? For what angle of incidence is the reflected ray normal to the incident ray ? Light of wavelength 5000Å falls on a plane reflecting surface. What are the wavelength and frequency of reflected light ? [...]