A wire is stretched under a force. If the wire suddenly snaps the temperature
A wire is stretched under a force. If the wire suddenly snaps the temperature of the wire Options (a) remains…
5 years ago
Questions
The area of cross-section of one limb of an U-tube is twice that of the other.
The area of cross-section of one limb of an U-tube is twice that of the other. Both the limbs contain…
5 years ago
If the volume of a block of aluminium is decreased by 1%, the pressure
If the volume of a block of aluminium is decreased by 1%, the pressure (stress) on its surface is increased…
5 years ago
Work of 3.0×10⁻⁴ joule is required to be done in increasing the size of a soap film
Work of 3.0x10⁻⁴ joule is required to be done in increasing the size of a soap film from 10cm x…
5 years ago
In old age arteries carrying blood in the human body become narrow resulting
In old age arteries carrying blood in the human body become narrow resulting in an increase in the blood pressure.…
5 years ago
Surface tension of water will be minimum at
Surface tension of water will be minimum at Options (a) 0⁰C (b) 25⁰C (c) 60⁰C (d) 75⁰C Correct Answer: 75⁰C…
5 years ago
The surface tension of a liquid is 5 newton per metre. If a film
The surface tension of a liquid is 5 newton per metre. If a film is held on a ring of…
5 years ago
Which of the following rods of same material undergoes maximum elongation
Which of the following rods of same material undergoes maximum elongation when subjected to a given force? Options (a) l=1…
5 years ago
Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
Water flows through a pipe. The area of cross-section at one place A₁=10 cm², velocity of flows 1 m/s and…
5 years ago
A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m².
A layer of glycerine of thickness 1 mm present between a large surface area of 0.1 m². With what force…
5 years ago