A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface
A spherical liquid drop of radius R is divided into 8 equal droplets. If the surface tension is T, then…
5 years ago
Physics
The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap
The surface tension of soap solution is 0.03 N/m. The work done in blowing to form a soap bubble of…
5 years ago
Which of the following substances has the highest elasticity?
Which of the following substances has the highest elasticity? Options (a) Steel (b) Copper (c) Rubber (d) Sponge Correct Answer:…
5 years ago
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
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