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chemistry-
2Fe+3(aq) + Sn+2(aq) ¾→ 2Fe+2(aq) + ? The missing term in this reaction is
2Fe+3(aq) + Sn+2(aq) ¾→ 2Fe+2(aq) + ? The missing term in this reaction is
chemistry-General
chemistry-
How many bonds are there in 
?
How many bonds are there in ?
chemistry-General
chemistry-
The nodal plane in the π bond of ethene is located in
The nodal plane in the π bond of ethene is located in
chemistry-General
physics-
A modulating signal is a square wave as shown in the figure
The carrier wave is given by 
The modulation index is
A modulating signal is a square wave as shown in the figure
The carrier wave is given by The modulation index is
physics-General
physics-
An L shaped thin uniform rod of total length 2l is free to rotate in a vertical plane about a horizontal axis at P as shown in the figure The bar is released from rest. Neglect air and contact friction. The angular velocity at the instant it has rotated through 90° and reached the dotted position shown is
An L shaped thin uniform rod of total length 2l is free to rotate in a vertical plane about a horizontal axis at P as shown in the figure The bar is released from rest. Neglect air and contact friction. The angular velocity at the instant it has rotated through 90° and reached the dotted position shown is
physics-General
physics-
In the circuit shown
In the circuit shown
physics-General
physics-
The potential of the point A is greater than that of B by 19 volt. What is the potential difference in volts across the 3
capacitor?
The potential of the point A is greater than that of B by 19 volt. What is the potential difference in volts across the 3 capacitor?
physics-General
physics-
In the figure shown, the potential difference between points A and B is :
In the figure shown, the potential difference between points A and B is :
physics-General
physics-
Some light bulbs are conected in parallel to a 120 V source as shown in the figure. Each bulb dissipates an average power of 60 W The circuit has a fuse F that burns out when the current in the circuit exceeds 9 A. Determine the largest number of bulbs of the following, that can be used in the circuit without burning out the fuse
Some light bulbs are conected in parallel to a 120 V source as shown in the figure. Each bulb dissipates an average power of 60 W The circuit has a fuse F that burns out when the current in the circuit exceeds 9 A. Determine the largest number of bulbs of the following, that can be used in the circuit without burning out the fuse
physics-General
Physics-
Which of the following has maximum specific heat ?
Which of the following has maximum specific heat ?
Physics-General
Physics-
Calorimeter usually is made of copper because
Calorimeter usually is made of copper because
Physics-General
Physics-
A metallic sphere of mass M falls through glycerine with a terminal velocity ‘v’. When another sphere of the same metal having mass ‘8M’ is dropped into the same column of glycerine, the terminal velocity of the ball will be
A metallic sphere of mass M falls through glycerine with a terminal velocity ‘v’. When another sphere of the same metal having mass ‘8M’ is dropped into the same column of glycerine, the terminal velocity of the ball will be
Physics-General
Physics-
Two steel balls of radii R1 and 
are dropped through a tube full of glycerine Their terminal velocities are v1 and v2 in the experiment, then
Two steel balls of radii R1 and are dropped through a tube full of glycerine Their terminal velocities are v1 and v2 in the experiment, then
Physics-General
Physics-
A steel ball falls slowly through water than through air because
A steel ball falls slowly through water than through air because
Physics-General
Physics-
A road is 10 m wide. Its radius of curvature is 50 m. The outer edge is above the lower edge by a distance of 1.5 m. This road is most suited for the velocity.
A road is 10 m wide. Its radius of curvature is 50 m. The outer edge is above the lower edge by a distance of 1.5 m. This road is most suited for the velocity.
Physics-General
