Q. What is the unit of energy in the SI system? (2023)
  • A. Joule
  • B. Watt
  • C. Newton
  • D. Pascal
Q. What is the unit of inductive reactance? (2020)
  • A. Ohm
  • B. Henry
  • C. Farad
  • D. Tesla
Q. What is the unit of magnetic moment? (2023)
  • A. Ampere-meter
  • B. Tesla
  • C. Weber
  • D. Newton-meter
Q. What is the unit of measurement for electric current in the SI system? (2022)
  • A. Volt
  • B. Ampere
  • C. Ohm
  • D. Coulomb
Q. What is the unit of measurement for electric current? (2019)
  • A. Volt
  • B. Ohm
  • C. Ampere
  • D. Watt
Q. What is the unit of pressure in SI units? (2023)
  • A. Pascal
  • B. Bar
  • C. Atmosphere
  • D. Torr
Q. What is the unit of pressure in SI? (2023)
  • A. Pascal
  • B. Bar
  • C. Atmosphere
  • D. Torr
Q. What is the value of the gravitational constant (G) in SI units? (2023)
  • A. 6.67 x 10^-11 N m²/kg²
  • B. 9.81 m/s²
  • C. 3.00 x 10^8 m/s
  • D. 1.60 x 10^-19 C
Q. What is the voltage across a 10Ω resistor carrying a current of 2A? (2022)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 20V
Q. What is the voltage drop across a 10Ω resistor carrying a current of 2A? (2019)
  • A. 5V
  • B. 10V
  • C. 15V
  • D. 20V
Q. What is the voltage drop across a 3Ω resistor carrying a current of 4A? (2019)
  • A. 6V
  • B. 8V
  • C. 12V
  • D. 15V
Q. What is the wavelength of light emitted when an electron transitions from n=3 to n=1 in a hydrogen atom? (2020)
  • A. 102.6 nm
  • B. 656.3 nm
  • C. 486.1 nm
  • D. 434.0 nm
Q. What is the wavelength of light emitted when an electron transitions from n=4 to n=2 in a hydrogen atom? (2020)
  • A. 486 nm
  • B. 656 nm
  • C. 434 nm
  • D. 410 nm
Q. What is the wavelength of light if the first-order maximum occurs at an angle of 30° in a double-slit experiment with a slit separation of 0.1 mm and a screen distance of 1 m? (2019)
  • A. 0.5 mm
  • B. 0.3 mm
  • C. 0.2 mm
  • D. 0.1 mm
Q. What is the work done by an ideal gas during an isobaric expansion? (2019)
  • A. PΔV
  • B. ΔU
  • C. Q
  • D. 0
Q. What is the work done when a force of 15 N moves an object 3 m in the direction of the force? (2021)
  • A. 45 J
  • B. 30 J
  • C. 15 J
  • D. 60 J
Q. What is the Young's modulus of a material if a stress of 200 MPa produces a strain of 0.01? (2021)
  • A. 2000 MPa
  • B. 20 MPa
  • C. 200 MPa
  • D. 2 MPa
Q. What type of charge carriers are predominant in n-type semiconductors? (2020)
  • A. Holes
  • B. Electrons
  • C. Protons
  • D. Neutrons
Q. What type of charge carriers are present in n-type semiconductors? (2019)
  • A. Holes
  • B. Electrons
  • C. Protons
  • D. Neutrons
Q. What type of decay involves the conversion of a neutron into a proton? (2023)
  • A. Alpha decay
  • B. Beta decay
  • C. Gamma decay
  • D. Positron emission
Q. What type of decay involves the conversion of a proton into a neutron? (2019)
  • A. Alpha decay
  • B. Beta plus decay
  • C. Beta minus decay
  • D. Gamma decay
Q. What type of image is formed by a convex lens when the object is placed beyond the 2F point? (2022)
  • A. Real and inverted
  • B. Virtual and erect
  • C. Real and erect
  • D. Virtual and inverted
Q. What type of junction is formed when p-type and n-type semiconductors are joined? (2022)
  • A. p-n junction
  • B. p-p junction
  • C. n-n junction
  • D. p-n-p junction
Q. What type of lens is used to correct hypermetropia? (2021)
  • A. Concave lens
  • B. Convex lens
  • C. Bifocal lens
  • D. Cylindrical lens
Q. What type of semiconductor is formed by adding trivalent impurities? (2023)
  • A. N-type
  • B. P-type
  • C. Intrinsic
  • D. Superconductor
Q. What type of wave is characterized by particle motion being parallel to wave motion? (2023)
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Standing wave
Q. What type of wave is produced when a vibrating tuning fork is placed on a table? (2022)
  • A. Transverse wave
  • B. Longitudinal wave
  • C. Surface wave
  • D. Electromagnetic wave
Q. Which device is used to convert AC to DC? (2023)
  • A. Transistor
  • B. Diode
  • C. Capacitor
  • D. Inductor
Q. Which element is commonly used in nuclear reactors as fuel? (2022)
  • A. Uranium-235
  • B. Carbon-12
  • C. Hydrogen-1
  • D. Oxygen-16
Q. Which force is primarily responsible for holding the nucleus together? (2022)
  • A. Gravitational force
  • B. Electromagnetic force
  • C. Weak nuclear force
  • D. Strong nuclear force
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