Question
Which one of the following is a competitive
market?Solution
A perfect market is the market in which there are numerous buyers and sellers and they are well informed. The monopoly is absent and market prices cannot be manipulated.
Which of the following is NOT a vector quantity? Â
Angle of friction and angle of repose are
Which of the following correctly ranks molecular speeds at a fixed temperature?
A particle starts from rest and accelerates uniformly at 2 m/s² for 10 seconds, then moves with constant velocity for 5 seconds, and finally decelerat...
In a closed organ pipe, the frequencies of vibration are in the ratio:
A toroid has a core (non-ferromagnetic) of inner radius 23 cm and outer radius 28 cm, around which 4000 turns of a wire are wound. If the current in th...
The order of wavelengths for ordinary light is:
What is the formula for density? Â
If the vector sum of torques acting on a system is zero, then the object is in ________.
Two point charges +q and −q are separated by a distance 2a. The electric field at a point on the perpendicular bisector at distance r from center is p...
