Physics-
General
Easy
Question
A steel rod of cross–sectional area 16 
and two brass rods of cross section area 10 together support a load of 5000 kg as shown in figure. The stress in steel rod will be : (Take Y for steel = 
N/ and for brass = 
N/ )
- None of these
The correct answer is:
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physics-
The figure shows a soap film in which a closed elastic thread is lying. The film inside the thread is pricked. Now the sliding wire is moved out so that the surface area increases. The radius of the circle formed by elastic thread will :
The figure shows a soap film in which a closed elastic thread is lying. The film inside the thread is pricked. Now the sliding wire is moved out so that the surface area increases. The radius of the circle formed by elastic thread will :
physics-General
physics-
In determination of young modulus of elasticity of wire, a force is applied and extension is recorded. Initial length of wire is '1m'. The curve between extension and stress is depicted then Young modulus of wire will be:
In determination of young modulus of elasticity of wire, a force is applied and extension is recorded. Initial length of wire is '1m'. The curve between extension and stress is depicted then Young modulus of wire will be:
physics-General
physics-
A copper wire of length 3m and area of cross–section 1 
, passes through an arrangement of two frictionless pulleys, 
and 
. One end of the wire is rigidly clamped, and a mass of 1 kg is hanged from the other end. If the Young's modulus for copper is 
, then the elongation in the wire is
A copper wire of length 3m and area of cross–section 1 , passes through an arrangement of two frictionless pulleys, and . One end of the wire is rigidly clamped, and a mass of 1 kg is hanged from the other end. If the Young's modulus for copper is , then the elongation in the wire is
physics-General
chemistry-
Which nitrogen is protonated readily in guanidine
Which nitrogen is protonated readily in guanidine
chemistry-General
chemistry-
Consider the following sequence of reactions 
The major product (B) is-
Consider the following sequence of reactions
The major product (B) is-
chemistry-General
chemistry-
The possible product formed in the reaction
The possible product formed in the reaction
chemistry-General
chemistry-
The end product (B) formed in the reaction
The end product (B) formed in the reaction
chemistry-General
chemistry-
The major product formed in the reaction is –
The major product formed in the reaction is –
chemistry-General
chemistry-
The end product (B) formed in the reaction 
is -
The end product (B) formed in the reaction is -
chemistry-General
chemistry-
The IUPAC name of the following compound is –
The IUPAC name of the following compound is –
chemistry-General
chemistry-
The functional groups of (B) and (C) respectively are-
The functional groups of (B) and (C) respectively are-
chemistry-General
chemistry-
C and D in the sequence are -
C and D in the sequence are -
chemistry-General
chemistry-
Compound is a
Compound is a
chemistry-General
physics-
The diagram (figure) shows a venturimeter, through which water is flowing. The speed of water at X is 2 cm/s. The speed of water at Y (taking g = 1000 
) is :–
The diagram (figure) shows a venturimeter, through which water is flowing. The speed of water at X is 2 cm/s. The speed of water at Y (taking g = 1000 ) is :–
physics-General
physics-
In the figure below is shown the flow of liquid through a horizontal pipe. Three tubes A, B and C are connected to the pipe. The radii of the tubes, A, B and C at the junction are respectively 2 cm, 1 cm. and 2 cm. It can be said that the
In the figure below is shown the flow of liquid through a horizontal pipe. Three tubes A, B and C are connected to the pipe. The radii of the tubes, A, B and C at the junction are respectively 2 cm, 1 cm. and 2 cm. It can be said that the
physics-General
