Physics - MOST IMPORTANT Uttarakhand PCS Previous Year Questions
Practice real questions from previous year exams of Uttarakhand PCS.
What will be the de Broglie wavelength of a ball of mass 0.12 kg moving with a speed of 20 ms⁻¹?
With the rise of temperature, the viscosity of liquid:
While floating in the sea, how much part of an iceberg is above the sea level?
The sound will have highest velocity in:
Which one of the following is a mechanical wave?
Which of the following action is related to evaporation of sweat?
Two slits are made one millimeter apart and the screen is placed one metre away. What is the fringe seperation when blue-green light of wavelength 500 nm is used?
Human eye is most sensitive to:
A device which converts electrical energy into mechanical energy is:
Filament in electric bulb is made of-
We use CFL to save electrical energy and to provide sufficient light. The full form of CFL is:
Semiconductor chip used in integrated circuit is made of?
A diode can be used to
Consider a tightly wound 100 turn coil of radius 10 cm, carrying a current of 1A. What will be the magnitude of the magnetic field at the centre of the coil?
Which one of the following reactions is the main cause of the energy radiation from the Sun?
Which Uranium isotope is used in nuclear power plants to produce electricity?
Fuel used in Kalpakkam fast breeder test reactor is:
Ozone layer thickness is measured in:
Pascal is a unit of measuring:
1 nanometer is