Question Answers

The H – O – H angle in water molecule is about (a) 90 (b) 180 (c) 102 (d) 105 The H - O - H angle in water molecule is about (a) 90 (b) 180 (c) 102 (d) 105 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Which of the following metal will not reduce H2O (a) Ca (b) Fe (c) Cu (d) Li Which of the following metal will not reduce H2O (a) Ca (b) Fe (c) Cu (d) Li November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

What will be the effect on the accuracy of the result if we replace a single – wire potentiometer by a pointometer having 12 wires, the length of each wire being 1 m ? the length of each wire being 1 m ? What will be the effect on the accuracy of the result if [...]

A battery of emf 1.4 V and internal resistance 2 Ω is connected to a resistor of 100 ω resistance through an ammeter. This resistance of the ammeter is 4/3Ω. A voltmeter has also been connected to find the potential difference across the resistor. a. Draw the circuit diagram. b. The ammeter reads 0.02A. What [...]

Which of the following acid is formed when SiF4 reacts with water (a) SiF4 (b) H2SiF4 (c) H2SO4 (d) H2SiF6 Which of the following acid is formed when SiF4 reacts with water (a) SiF4 (b) H2SiF4 (c) H2SO4 (d) H2SiF6 November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

In the circuit, a voltmeter reads 30V when it is connected across 400 Ω resistance. Calculate what the same voltmeter will read when it is connected across the 300Ω resistance? a voltmeter reads 30V when it is connected across 400 Ω resistance. Calculate what the same voltmeter will read when it is connected across the [...]

Some statements about heavy water are given below 1. Heavy water is used as a moderator in nuclear reactors 2. Heavy water is more associated than ordinary water Some statements about heavy water are given below 1. Heavy water is used as a moderator in nuclear reactors 2. Heavy water is more associated than ordinary [...]

A galvanometer (coil resistance 99Ω.) is converted into an ammeter using a shunt of 1Ω and connected as shown in figure (a). The ammeter reads 3A. The same galvanometer is convened into a voltmeter by connecting a resistance of 101Ω in series. This voltmeter is connected at, shown in figure (b). Its reading is found [...]

Pure water can be obtained from sea water by (a) Centrifugation (b) Plasmolysis (c) Reverse osmosis (d) Sedimentation Pure water can be obtained from sea water by (a) Centrifugation (b) Plasmolysis (c) Reverse osmosis (d) Sedimentation November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

The name hydrogen was given by (a) Cavendish (b) Lavoisier (c) Urey (d) None of these The name hydrogen was given by (a) Cavendish (b) Lavoisier (c) Urey (d) None of these November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,