Chemistry-
General
Easy
Question
- (a) →(i), (b) → (ii), (c) → (iii), (d) → (iv)
- (a) → (ii), (b) → (i), (c) → (iv), (d) → (iii)
- (a) → (iii), (b) → (ii), (c) → (i), (d) → (iv)
- (a) → (iii), (b) → (i), (c) → (ii), (d) → (iv)
The correct answer is: (a) → (ii), (b) → (i), (c) → (iv), (d) → (iii)
Conceptual
Related Questions to study
chemistry-
Which among the following is aromatic?
Which among the following is aromatic?
chemistry-General
chemistry-
What will be the product obtained as a result of the following reaction and why?
What will be the product obtained as a result of the following reaction and why?
chemistry-General
physics-
A spring of force constant 800 N/m has an extension of 5 cm The work done in extending it from 5 cm to 15 cm is -
A spring of force constant 800 N/m has an extension of 5 cm The work done in extending it from 5 cm to 15 cm is -
physics-General
maths-
The length of a rectangle is 16 cm and each of its diagonal measures 20 cm. The breadth is:
The length of a rectangle is 16 cm and each of its diagonal measures 20 cm. The breadth is:
maths-General
physics-
Block ‘A‘ is hanging from a vertical spring and is at rest. Block ‘B‘ strikes the block ‘A’ with velocity ‘v‘ and sticks to it. Then the value of ‘ v ‘ for which the spring just attains natural length is :
Block ‘A‘ is hanging from a vertical spring and is at rest. Block ‘B‘ strikes the block ‘A’ with velocity ‘v‘ and sticks to it. Then the value of ‘ v ‘ for which the spring just attains natural length is :
physics-General
physics-
A particle is moved from (0, 0) to (a, a) under a force 
from two paths. Path 1 is OP and Path 2 is OQP. Let 
and 
be the work done by this force in these two paths. Then
A particle is moved from (0, 0) to (a, a) under a force from two paths. Path 1 is OP and Path 2 is OQP. Let and be the work done by this force in these two paths. Then
physics-General
physics-
The spring block system lies on a smooth horizontal surface. The free end of the spring is being pulled towards right with constant speed v0 = 2m/s. At t = 0 sec, the spring of constant k = 100 N/cm is unstretched and the block has a speed 1 m/s to left. The maximum extension of the spring is
The spring block system lies on a smooth horizontal surface. The free end of the spring is being pulled towards right with constant speed v0 = 2m/s. At t = 0 sec, the spring of constant k = 100 N/cm is unstretched and the block has a speed 1 m/s to left. The maximum extension of the spring is
physics-General
physics-
A block of mass m is attached with a massless spring of force constant k. The block is placed over a fixed rough inclined surface for which the coefficient of friction is 
The block of mass m is initially at rest. The block of mass M is released from rest with spring in unstretched state. The minimum value of M required to move the block up the plane is (neglect mass of string and pulley and friction in pulley.)
A block of mass m is attached with a massless spring of force constant k. The block is placed over a fixed rough inclined surface for which the coefficient of friction is The block of mass m is initially at rest. The block of mass M is released from rest with spring in unstretched state. The minimum value of M required to move the block up the plane is (neglect mass of string and pulley and friction in pulley.)
physics-General
physics-
A weightless rod of length 
carries two equal masses 'm', one tied at lower end A and the other at the middle of the rod at B. The rod can rotate in vertical plane about a fixed horizontal axis passing through C. The rod is released from rest in horizontal position. The speed of the mass B at the instant rod, become vertical is :
A weightless rod of length carries two equal masses 'm', one tied at lower end A and the other at the middle of the rod at B. The rod can rotate in vertical plane about a fixed horizontal axis passing through C. The rod is released from rest in horizontal position. The speed of the mass B at the instant rod, become vertical is :
physics-General
physics-
In the figure shown the potential energy U of a particle is plotted against its position ' x ' from origin. Then which of the following statement is correct.
In the figure shown the potential energy U of a particle is plotted against its position ' x ' from origin. Then which of the following statement is correct.
physics-General
physics-
In the figure shown there are two semicircles of radii 
and 
in which a current 
is flowing. The magnetic induction at the centre
will be
In the figure shown there are two semicircles of radii and in which a current is flowing. The magnetic induction at the centre will be
physics-General
physics-
Two long parallel wires are at a distance 
apart. They carry steady equal current flowing out of the plane of the paper as shown. The variation of the magnetic field along the line 
is given by
Two long parallel wires are at a distance apart. They carry steady equal current flowing out of the plane of the paper as shown. The variation of the magnetic field along the line is given by
physics-General
physics-
An infinitely long wire carrying current is along 
-axis such that its one end is at point (
while the wire extends upto 
. The magnitude of magnetic field strength at point 
is
An infinitely long wire carrying current is along -axis such that its one end is at point ( while the wire extends upto . The magnitude of magnetic field strength at point is
physics-General
physics-
In the given figure and magnetic field at will be
In the given figure and magnetic field at will be
physics-General
physics-
Two long wires are hanging freely. They are joined first in parallel and then in series and then are connected with a battery. In both cases, which type of force acts between the two wires
Two long wires are hanging freely. They are joined first in parallel and then in series and then are connected with a battery. In both cases, which type of force acts between the two wires
physics-General
