A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height of…
5 years ago
Physics
If two soap bubbles of different radii are connected by a tube
If two soap bubbles of different radii are connected by a tube Options (a) Air flows from the bigger bubble…
5 years ago
Application of Bernoulli’s theorem can be seen in
Application of Bernoulli's theorem can be seen in Options (a) Dynamic lift of aeroplane (b) Hydraulic press (c) Helicopter (d)…
5 years ago
The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy
The temperature of a metal block is increased from 27⁰C to 84⁰C. The rate of radiated energy from the block…
5 years ago
Radius of a soap bubble is increased from R to 2R. Work done in this process
Radius of a soap bubble is increased from R to 2R. Work done in this process in terms of surface…
5 years ago
Two bubbles A and B (A>B) are joined through a narrow tube. Then
Two bubbles A and B (A>B) are joined through a narrow tube. Then Options (a) The size of A will…
5 years ago
The earth radiates in the infrared region of the spectrum. The spectrum is correctly
The earth radiates in the infrared region of the spectrum. The spectrum is correctly given by Options (a) Wien's law…
5 years ago
Consider a compound slab consisting of two different materials having equal thickness
Consider a compound slab consisting of two different materials having equal thickness and thermal conductivities K and 2K respectively. The…
5 years ago
Young’s modulus of perfectly rigid body material is
Young's modulus of perfectly rigid body material is Options (a) Zero (b) Infinity (c) 1x10¹⁰ N/m² (d) 10x10¹⁰ N/m² Correct…
5 years ago
A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that
A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that…
5 years ago