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The method not used in metallurgy to refine the impure metal is (a) Mond’s process (b) Van-Arkel process (c) Amalgamation process
12
Nov
The method not used in metallurgy to refine the impure metal is (a) Mond’s process (b) Van-Arkel process (c) Amalgamation process The method not used in metallurgy to refine the impure metal is (a) Mond's process (b) Van-Arkel process (c) Amalgamation process November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
If man were standing unsymmetrically between parallel cliffs, claps his hands and starts hearing a series of echoes at intervals of 1s. If speed of sound in air is 340ms^−1, the distance between two cliffs would be
12
Nov
If man were standing unsymmetrically between parallel cliffs, claps his hands and starts hearing a series of echoes at intervals of 1s. If speed of sound in air is 340ms^−1, the distance between two cliffs would be claps his hands and starts hearing a series of echoes at intervals of 1s. If speed of sound [...]
A source is moving towards a stationary observer, so that the apparent frequency increases by 50%. If velocity of sound is 330 m/s, then velocity of source is
12
Nov
A source is moving towards a stationary observer, so that the apparent frequency increases by 50%. If velocity of sound is 330 m/s, then velocity of source is A source is moving towards a stationary observer so that the apparent frequency increases by 50%. If velocity of sound is 330 m/s then velocity of source [...]
In an infinite network of resistances, each resistance of value R = 2 ohm , are arranged as shown in the figure. Find the equivalent resistance between A and B ( in ohm ).
12
Nov
In an infinite network of resistances, each resistance of value R = 2 ohm , are arranged as shown in the figure. Find the equivalent resistance between A and B ( in ohm ). are arranged as shown in the figure. Find the equivalent resistance between A and B ( in ohm ). each resistance [...]
A police car with a siren of frequency 8kHz is moving with uniform velocity 36km/hr towards a tall building which reflects the sound waves. The speed of sound in air is 320m/s. The frequency of the siren heard by the car driver is
12
Nov
A police car with a siren of frequency 8kHz is moving with uniform velocity 36km/hr towards a tall building which reflects the sound waves. The speed of sound in air is 320m/s. The frequency of the siren heard by the car driver is A car moving with velocity 50 m s towards a wall sounds [...]
In the circuit shown in figure,find the steady state charge in 6 muF capacitor ( in muC).
12
Nov
In the circuit shown in figure,find the steady state charge in 6 muF capacitor ( in muC). find the steady state charge in 6 muF capacitor ( in muC). In the circuit shown in Figure November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A train approaching a railway crossing at a speed of 120kmh^−1 sounds a short whistle at frequency 640 Hz when it is 300 m away from the crossing. The speed of sound in air is 340ms^−1. What will be the frequency heard by a person standing on a road perpendicular to the track through the crossing at a distance of 400 m from the crossing ?
12
Nov
A train approaching a railway crossing at a speed of 120kmh^−1 sounds a short whistle at frequency 640 Hz when it is 300 m away from the crossing. The speed of sound in air is 340ms^−1. What will be the frequency heard by a person standing on a road perpendicular to the track through the [...]
In the given circuit, each reistance is r = 18.75 ohm. The current ( in A ) in the resistance connected across A and B is ‘ ….. ‘A.
12
Nov
In the given circuit, each reistance is r = 18.75 ohm. The current ( in A ) in the resistance connected across A and B is ‘ ….. ‘A. each reistance is r = 18.75 ohm. The current ( in A ) in the resistance connected across A and B is ' ..... 'A. In [...]
Which method of purification is represented by the equation Ti + 2I2 to TiI4 to Ti + 2I2
12
Nov
Which method of purification is represented by the equation Ti + 2I2 to TiI4 to Ti + 2I2 Which method of purification is represented by the equation Ti + 2I2 to TiI4 to Ti + 2I2 November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Assertion : Leaching is a process of reduction. Reason : Leaching involves treatment of the ore with a suitable reagent so as to make it soluble while impurities remains insoluble.
12
Nov
Assertion : Leaching is a process of reduction. Reason : Leaching involves treatment of the ore with a suitable reagent so as to make it soluble while impurities remains insoluble. Assertion : Leaching is a process of reduction. Reason : Leaching involves treatment of the ore with a suitable reagent so as to make it [...]