Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

Which show maximum valency (a) Phosphorus (b) Tin (c) Antimony (d) Bismuth Which show maximum valency (a) Phosphorus (b) Tin (c) Antimony (d) Bismuth November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In a large building, there are 15 bulbs of 40 W, 5 bulbs of 100 W, 5 fans of 80 W and 1 heater of 1 kW. The voltage of electric mains is 220 V. The minimum capacity fo the main fuse of the building will be : 5 bulbs of 100 W 5 fans [...]

Oxidation number of As in H2AsO4- is (a) 6 (b) 7 (c) 5 (d) 9 Oxidation number of As in H2AsO4- is (a) 6 (b) 7 (c) 5 (d) 9 November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Two electric bulbs marked 25 W- 220 V and 100 W – 220 V are connected in series to a 440 V supply. which of the bulbs will fuse ? Two electric bulbs marked 25 W- 220 V and 100 W - 220 V are connected in series to a 440 V supply. which of [...]

Which of the following is nitrogenous fertilizers (a) Bone meal (b) Thomas meal (c) Nitro phosphate (d) Ammonium sulphate Which of the following is nitrogenous fertilizers (a) Bone meal (b) Thomas meal (c) Nitro phosphate (d) Ammonium sulphate November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

When HNO3 is dropped into the palm and washed with water, it turns into yellow. It shows the presence of (a) NO2 (b) N2O (c) NO (d) N2O5 it turns into yellow. It shows the presence of (a) NO2 (b) N2O (c) NO (d) N2O5 When HNO3 is dropped into the palm and washed with [...]

A 20V battery with an internal resistance of 5Ω is connected to a resistor of x ohms. If an additional 6Ω resistor is connected across the battery, find the value of x so that the external power supplied by the battery remains same. A 20V battery with an internal resistance of 5Ω is connected to [...]

The supply voltage to room is 120 V. The resistance of the lead wires is 6Ω. A 60 W bulb is already switched on. What is the decrease of voltage across the bulb, when a 240 W heater is switched on in parallel to the bulb? The supply voltage to room is 120 V. The [...]

When concentrated nitric acid is heated, it decomposes to give (a) O2 and N2 (b) NO (c) N2O5 (d) NO2 and O2 it decomposes to give (a) O2 and N2 (b) NO (c) N2O5 (d) NO2 and O2 When concentrated nitric acid is heated November 18, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]

Atomic number of N is 7. The atomic number of IIIrd member of nitrogen family is (a) 23 (b) 15 (c) 33 (d) 43 Atomic number of N is 7. The atomic number of IIIrd member of nitrogen family is (a) 23 (b) 15 (c) 33 (d) 43 November 18, 2020 Category: Uncategorised (JEE Advanced [...]