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Assertion : Wolframite impurities are separated from cassiterite by electromagnetic separation. Reason : Cassiterite being magnetic is attracted by the magnet and forms a separate heap.
11
Nov
Assertion : Wolframite impurities are separated from cassiterite by electromagnetic separation. Reason : Cassiterite being magnetic is attracted by the magnet and forms a separate heap. Assertion : Wolframite impurities are separated from cassiterite by electromagnetic separation. Reason : Cassiterite being magnetic is attracted by the magnet and forms a separate heap. November 11, 2020 [...]
Assertion : Levigation is used for the separation of oxide ores from impurities. Reason : Ore particles are removed by washing in a current of water.
11
Nov
Assertion : Levigation is used for the separation of oxide ores from impurities. Reason : Ore particles are removed by washing in a current of water. Assertion : Levigation is used for the separation of oxide ores from impurities. Reason : Ore particles are removed by washing in a current of water. November 11, 2020 [...]
Assertion : Zinc is used and copper is not used in the recovery of Ag from the complex (Ag (CN)2)-. Reason : Zinc is a powerful reducing agent than copper.
11
Nov
Assertion : Zinc is used and copper is not used in the recovery of Ag from the complex (Ag (CN)2)-. Reason : Zinc is a powerful reducing agent than copper. Assertion : Zinc is used and copper is not used in the recovery of Ag from the complex (Ag (CN)2)-. Reason : Zinc is a [...]
A beam of light of wavelength 600 nm from a distant source falls on a single slit 1mm wide and the resulting diffraction pattern is observed on a screen 2m away. The distance between the first dark fringes on either side of the central bright fringe is
11
Nov
A beam of light of wavelength 600 nm from a distant source falls on a single slit 1mm wide and the resulting diffraction pattern is observed on a screen 2m away. The distance between the first dark fringes on either side of the central bright fringe is Light of wavelength 6000 Å falls on a [...]
A single slit of width 0.1mm is illuminated by a parallel beam of light of wavelength 6000 A ˚ and diffraction bands are observed on a screen 0.5m from the slit. The distance of the third dark band from the central bright band is :
11
Nov
A single slit of width 0.1mm is illuminated by a parallel beam of light of wavelength 6000 A ˚ and diffraction bands are observed on a screen 0.5m from the slit. The distance of the third dark band from the central bright band is : Light of wavelength 6000 Å falls on a single slit [...]
Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal.
11
Nov
Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is replaced by X-rays, then the observed pattern will reveal. then the observed pattern will reveal. Yellow light is used in a single slit diffraction experiment with slit width of 0.6 mm. If yellow light is [...]
Find the effective resistance between A and B . (1) 2 ohm (2) 1 ohm (3) 8/7 ohm (4) 7 ohm
11
Nov
Find the effective resistance between A and B . (1) 2 ohm (2) 1 ohm (3) 8/7 ohm (4) 7 ohm Find the effective resistance between A and B . (1) 2 ohm (2) 1 ohm (3) 8/7 ohm (4) 7 ohm November 11, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
Consider Fraunhofer diffraction pattern obtained with a single slit illuminated at normal incidence. At the angular position of the first diffraction minimum the phase difference between the wavelets from the opposite edges of the slit is:
11
Nov
Consider Fraunhofer diffraction pattern obtained with a single slit illuminated at normal incidence. At the angular position of the first diffraction minimum the phase difference between the wavelets from the opposite edges of the slit is:
A narrow slit of width 2 mm is illuminated by monochromatic light of wavelength 500nm. The distance between the first minima on either side on a screen at a distance of 1 m is
11
Nov
A narrow slit of width 2 mm is illuminated by monochromatic light of wavelength 500nm. The distance between the first minima on either side on a screen at a distance of 1 m is A narrow slit of width 2 mm is illuminated by monochromatic light of wavelength 500nm. The distance between the first minima [...]
Assertion : Gold is recovered from its solution containing aurocyanide complex by adding zinc dust. Reason : Zinc is more electropositive than gold.
11
Nov
Assertion : Gold is recovered from its solution containing aurocyanide complex by adding zinc dust. Reason : Zinc is more electropositive than gold. Assertion : Gold is recovered from its solution containing aurocyanide complex by adding zinc dust. Reason : Zinc is more electropositive than gold. November 11, 2020 Category: Uncategorised (JEE Advanced Physics by [...]