Physics - MOST IMPORTANT Uttarakhand PCS Previous Year Questions
Practice real questions from previous year exams of Uttarakhand PCS.
📘 Modern Physics📚 Misc
Q1
What will be the de Broglie wavelength of a ball of mass 0.12 kg moving with a speed of 20 ms⁻¹?
🎯 Uttarakhand PCS Pre Exam- 14/07/2024
📘 Fluid Mechanics📚 Viscosity
Q2
With the rise of temperature, the viscosity of liquid:
🎯 Uttarakhand PCS (Pre) G.S. 2016
📘 Fluid Mechanics📚 Archimedes Principle and its applications
Q3
While floating in the sea, how much part of an iceberg is above the sea level?
🎯 Uttarakhand PCS (Pre) 2004-05
📘 Sound📚 Speed of Sound in Different Media
Q4
The sound will have highest velocity in:
🎯 Uttarakhand PCS (Pre) 2009-10
📘 Sound📚 Characteristics of Sound waves- wavelength, time period, etc.
Q5
Which one of the following is a mechanical wave?
🎯 Uttarakhand PCS (Pre) G.S. 2016
📘 Thermal Properties of Matter📚 Latent Heat
Q6
Which of the following action is related to evaporation of sweat?
🎯 Uttarakhand PCS (Pre) 2009-10
📘 Wave Optics📚 Interference
Q7
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?
🎯 Uttarakhand PCS Pre Exam- 14/07/2024
📘 Human Eye📚 Working of the Human Eye
Q8
Human eye is most sensitive to:
🎯 Uttarakhand PCS (M) 2004-05
📘 Magnetism📚 Electric Motor
Q9
A device which converts electrical energy into mechanical energy is:
🎯 Uttarakhand PCS (Pre) 2004-05
📘 Current Electricity📚 Heating Effect of Electric Current
Q10
Filament in electric bulb is made of-
🎯 Uttarakhand PCS (Pre) Ist 2014-15
📘 Current Electricity📚 Heating Effect of Electric Current
Q11
We use CFL to save electrical energy and to provide sufficient light. The full form of CFL is:
🎯 Uttarakhand PCS (main) 2010-11
📘 Modern Physics📚 Semiconductor
Q12
Semiconductor chip used in integrated circuit is made of?
🎯 Uttarakhand PCS (Pre) 2006-07
📘 Modern Physics📚 Diode- Forward-bias and Reverse-bias
Q13
A diode can be used to
🎯 Uttarakhand PCS (PRE) Lower 2021
📘 Magnetism📚 Magnetic Field Intensity
Q14
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?
🎯 Uttarakhand PCS Pre Exam- 14/07/2024
📘 Atomic and Nuclear Physics📚 Nuclear Fusion
Q15
Which one of the following reactions is the main cause of the energy radiation from the Sun?
🎯 Uttarakhand PCS (Pre) 2006-07
📘 Atomic and Nuclear Physics📚 Nuclear Fission
Q16
Which Uranium isotope is used in nuclear power plants to produce electricity?
🎯 Uttarakhand PCS (Pre) Ist 2014-15
📘 Atomic and Nuclear Physics📚 Nuclear Fission
Q17
Fuel used in Kalpakkam fast breeder test reactor is:
🎯 Uttarakhand PCS (Pre) 2006-07
📘 Units and Dimensions📚 Fundamental and Supplementary Units of Measurement
Q18
Ozone layer thickness is measured in:
🎯 Uttarakhand PCS (Pre) 2004-05
📘 Fluid Mechanics📚 Pressure and its applications
Q19
Pascal is a unit of measuring:
🎯 Uttarakhand PCS (Pre) 2002-03
📘 Units and Dimensions📚 Conversion from one unit to other
Q20
1 nanometer is
🎯 Uttarakhand PCS (Pre) G.S. 2016