Physics-
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We cannot see .......
- Heat
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- All
The correct answer is: All
Related Questions to study
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Two identical balls are having momentums in the ratio 7 : 8. Find the ratio of their velocities
Two identical balls are having momentums in the ratio 7 : 8. Find the ratio of their velocities
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A boy of mass 20kg went to first floor of a building having 17 steps each of 20cm wide and 20cm height. Find the P. E of the boy in first floor
A boy of mass 20kg went to first floor of a building having 17 steps each of 20cm wide and 20cm height. Find the P. E of the boy in first floor
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A thin metallic spherical shell carries a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in fig. All the three charges are positive. q1 q Q The force on the charge at the centre is
A thin metallic spherical shell carries a charge Q on it. A point charge q is placed at the centre of the shell and another charge q1 is placed outside it as shown in fig. All the three charges are positive. q1 q Q The force on the charge at the centre is
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A simple pendulum of time period T is suspended above a large horizontal metal sheet with uniformly distributed positive charge. If the bob is given some negative charge, its time period of oscillation will be
A simple pendulum of time period T is suspended above a large horizontal metal sheet with uniformly distributed positive charge. If the bob is given some negative charge, its time period of oscillation will be
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A positive point charge Q is brought near an isolated metal cube. Which of the following is correct?
A positive point charge Q is brought near an isolated metal cube. Which of the following is correct?
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Three charges –q1 + q2 and –q3 are placed as shown in figure. The x-component of the force on –q1 is proportional to
Three charges –q1 + q2 and –q3 are placed as shown in figure. The x-component of the force on –q1 is proportional to
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physics-
Three charges are placed at the vertices of an equilateral triangle of side 'a' as shown in fig. The force experienced by the charge placed at the vertex A in a direction normal to BC is :
Three charges are placed at the vertices of an equilateral triangle of side 'a' as shown in fig. The force experienced by the charge placed at the vertex A in a direction normal to BC is :
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In the basic CsCl crystal structure, 
and 
ions are arranged in a bcc configuration as shown in fig. The net electrostatic force exerted by the eight ions on the ion is :
In the basic CsCl crystal structure, and ions are arranged in a bcc configuration as shown in fig. The net electrostatic force exerted by the eight ions on the ion is :
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Fig. Show two coils A and B placed parallel to each other at a very small distance. Coil A is connected to an A.C.. supply. G. is very sensitive galvanometer. When the key is closed :
Fig. Show two coils A and B placed parallel to each other at a very small distance. Coil A is connected to an A.C.. supply. G. is very sensitive galvanometer. When the key is closed :
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A rectangular coil ABCD is rotated anticlockwise with a uniform angular velocity about the axis shown in fig : the axis of rotation of the coil as well as the magnetic field B are horizontal. The induced e.m.f. in the coil would be maximum when :
A rectangular coil ABCD is rotated anticlockwise with a uniform angular velocity about the axis shown in fig : the axis of rotation of the coil as well as the magnetic field B are horizontal. The induced e.m.f. in the coil would be maximum when :
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A conductor rod AB moves parallel to X-axis in a uniform magnetic field, pointing in the positive X-direction. The end A of the rod gets.
A conductor rod AB moves parallel to X-axis in a uniform magnetic field, pointing in the positive X-direction. The end A of the rod gets.
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A conducting square loop of side L and resistance R moves in a plane with a uniform velocity v. perpendicular to one of its side. A magnetic induction B constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere. The current induced in the loop is :
A conducting square loop of side L and resistance R moves in a plane with a uniform velocity v. perpendicular to one of its side. A magnetic induction B constant in time and space, pointing perpendicular and into the plane of the loop exists everywhere. The current induced in the loop is :
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In the circuit of fig. the bulb will become suddenly bright if :
In the circuit of fig. the bulb will become suddenly bright if :
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Two different loops are concentric and lie in the same plane. The current in the outer loop is clockwise and increasing with time. The induced current in the inner loop then, is :
Two different loops are concentric and lie in the same plane. The current in the outer loop is clockwise and increasing with time. The induced current in the inner loop then, is :
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A square frame ABCD of side a and a long current carrying conductor PQ are arranged as shown in fig. If the frame moves towards right with a velocity u , the resultant induced e.m.f. in the loop will be
A square frame ABCD of side a and a long current carrying conductor PQ are arranged as shown in fig. If the frame moves towards right with a velocity u , the resultant induced e.m.f. in the loop will be
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