Question
Which of the following represent the concept of welfare
state of India? I. The preamble II. Fundamental Rights III. The directive principles of state policySolution
All of the above represent the concept of welfare state of india.
A current element is placed at origin. At point P(1 mm,1 mm), the magnetic field due to this element is:
Match the following machines with their working principles:
(i) Electric motor - (a) Heat energy into mechanical energy
(ii) Steam engin...
The wavelength produced by a He-Ne laser corresponds to the transition in:
The ratio of the total distance traveled by a body to the total time taken is its:
Bernoulli's Principle is derived from which fundamental law?
Sounds of frequencies less than about ______ vibrations per second cannot be detected by the human ear.
Total mechanical energy =
Which instrument is used to measure electric current?
Two capacitors of 6 µF and 3 µF are connected in series and a potential difference of 90 V is applied. The energy stored in the system is:
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
Relevant for Exams:
