Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Hydrogen peroxide is reduced by (a) Ozone (b) Barium peroxide (c) Acidic solution of KMnO4 (d) Lead sulphide suspension
13
Nov
Hydrogen peroxide is reduced by (a) Ozone (b) Barium peroxide (c) Acidic solution of KMnO4 (d) Lead sulphide suspension Hydrogen peroxide is reduced by (a) Ozone (b) Barium peroxide (c) Acidic solution of KMnO4 (d) Lead sulphide suspension November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Match list 1 with list 2 and select the correct answer using the codes given below the lists
13
Nov
Match list 1 with list 2 and select the correct answer using the codes given below the lists Match list 1 with list 2 and select the correct answer using the codes given below the lists: November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A 6 volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1Ω is joind to the point A as shown in figure. Take the potential at B to be zero. (a) What are the potentials at the points A and C ? (b) At which D of the wire AB, the potential is equal to the potential at C. ( c) If the point C and D are connected by a wire. What will be the current through is ? (d) Id the 4V battery is replaced by 7.5 V battery, what would be the answers of parts (a) and (b) ?
13
Nov
A 6 volt battery of negligible internal resistance is connected across a uniform wire AB of length 100cm. The positive terminal of another battery of emf 4V and internal resistance 1Ω is joind to the point A as shown in figure. Take the potential at B to be zero. (a) What are the potentials at [...]
Figure shows a potentiometer arrangemeter with RAB = 10Ω and rheostat of variable resistance d. For x=0 null deflection point is found at 20cm from A. For unknown value of x null deflection point was at 30 cm from A, then the value of x is
13
Nov
Figure shows a potentiometer arrangemeter with RAB = 10Ω and rheostat of variable resistance d. For x=0 null deflection point is found at 20cm from A. For unknown value of x null deflection point was at 30 cm from A, then the value of x is In the circuit shown below the key is pressed [...]
A potentiometer wire AB is 100 cm long and has total resistance of 10Ω. If the galvanometer shows zero deflection at the position C, then find value of unknown resistance R.
13
Nov
A potentiometer wire AB is 100 cm long and has total resistance of 10Ω. If the galvanometer shows zero deflection at the position C, then find value of unknown resistance R. A potentiometer wire AB is 100 cm long and has total resistance of 10Ω. If the galvanometer shows zero deflection at the position C [...]
Ozone is used for purifying water because (a) It dissociates and release oxygen (b) Do not leave any foul smell like chlorine
13
Nov
Ozone is used for purifying water because (a) It dissociates and release oxygen (b) Do not leave any foul smell like chlorine Ozone is used for purifying water because (a) It dissociates and release oxygen (b) Do not leave any foul smell like chlorine November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
The boiling point of water is exceptinally high because (a) There is covalent bond between H and O (b) Water molecule is linear (c) Water molecules associate due to hydrogen bonding
13
Nov
The boiling point of water is exceptinally high because (a) There is covalent bond between H and O (b) Water molecule is linear (c) Water molecules associate due to hydrogen bonding The boiling point of water is exceptinally high because (a) There is covalent bond between H and O (b) Water molecule is linear (c) [...]
Why do calcium ions make water hard but sodium ions do not (a) Calcium forms insoluble compounds with stearater ions present in soap
13
Nov
Why do calcium ions make water hard but sodium ions do not (a) Calcium forms insoluble compounds with stearater ions present in soap Why do calcium ions make water hard but sodium ions do not (a) Calcium forms insoluble compounds with stearater ions present in soap November 13, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Which of the following is correct about heavy water (a) Water at 4 C having maximum density is known as heavy water (b) It is heavier than water (H20)
13
Nov
Which of the following is correct about heavy water (a) Water at 4 C having maximum density is known as heavy water (b) It is heavier than water (H20) Which of the following is correct about heavy water (a) Water at 4 C having maximum density is known as heavy water (b) It is heavier [...]
Temporary hardness may be removed from water by adding (a) CaCO3 (b) Ca(OH)2 (c) CaSO4 (d) HCl
13
Nov
Temporary hardness may be removed from water by adding (a) CaCO3 (b) Ca(OH)2 (c) CaSO4 (d) HCl Temporary hardness may be removed from water by adding (a) CaCO3 (b) Ca(OH)2 (c) CaSO4 (d) HCl November 13, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,