Q. What is the length of a diameter of a circle with a radius of 7 cm? (2022)
  • A. 14 cm
  • B. 21 cm
  • C. 7 cm
  • D. 28 cm
Q. What is the length of an arc of a circle with a radius of 10 cm and a central angle of 60 degrees? (Use π = 3.14) (2023)
  • A. 10.47 cm
  • B. 15.71 cm
  • C. 20.94 cm
  • D. 25.13 cm
Q. What is the length of an arc of a circle with a radius of 10 cm and a central angle of 60 degrees? (2021)
  • A. 10.47 cm
  • B. 12.57 cm
  • C. 15.71 cm
  • D. 20.94 cm
Q. What is the length of an arc of a circle with a radius of 10 cm and a central angle of 60 degrees? (2021) 2021
  • A. 10.47 cm
  • B. 15.71 cm
  • C. 20.94 cm
  • D. 25.13 cm
Q. What is the length of an arc of a circle with a radius of 4 cm and a central angle of 90 degrees? (2021)
  • A. 2π cm
  • B. 4π cm
  • C. π cm
  • D. 8 cm
Q. What is the length of an arc of a circle with a radius of 5 cm and a central angle of 60 degrees? (2020)
  • A. 5.24 cm
  • B. 3.14 cm
  • C. 5.00 cm
  • D. 10.47 cm
Q. What is the length of an arc of a circle with a radius of 6 cm and a central angle of 60 degrees? (Use π = 3.14) (2020)
  • A. 6.28 cm
  • B. 3.14 cm
  • C. 12.56 cm
  • D. 9.42 cm
Q. What is the length of an arc of a circle with radius 5 cm and angle 60 degrees? (2020)
  • A. 5.24 cm
  • B. 3.14 cm
  • C. 5.00 cm
  • D. 6.00 cm
Q. What is the length of the diagonal of a cuboid with dimensions 2, 3, and 6? (2022)
  • A. √49
  • B. √45
  • C. √36
  • D. √50
Q. What is the length of the diagonal of a rectangle with vertices at (0, 0), (0, 3), (4, 0), and (4, 3)? (2022)
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the length of the diagonal of a rectangle with vertices at (0, 0), (4, 0), (4, 3), and (0, 3)? (2021)
  • A. 5
  • B. 6
  • C. 7
  • D. 8
Q. What is the length of the diagonal of a rectangle with vertices at (1, 1), (1, 4), (5, 1), and (5, 4)? (2021)
  • A. 4
  • B. 5
  • C. 6
  • D. 7
Q. What is the magnetic field at a distance r from a long straight wire carrying current I? (2020)
  • A. μ₀I/(2πr)
  • B. μ₀I/(4πr)
  • C. μ₀I/(πr)
  • D. μ₀I/(8πr)
Q. What is the magnetic field at the center of a circular loop carrying current? (2022)
  • A. Zero
  • B. Directly proportional to current
  • C. Inversely proportional to radius
  • D. Both A and B
Q. What is the magnetic field inside a long solenoid when it carries a current? (2023)
  • A. Zero
  • B. Uniform and directed along the axis
  • C. Varies with distance
  • D. Depends on the temperature
Q. What is the magnetic field inside a long solenoid when the current is flowing through it? (2023)
  • A. Zero
  • B. Uniform and parallel
  • C. Concentric circles
  • D. Radial
Q. What is the magnetic field inside a long solenoid when the current is steady? (2023)
  • A. Zero
  • B. Uniform and parallel to the axis
  • C. Varies with distance
  • D. Depends on the temperature
Q. What is the magnetic field inside a long solenoid? (2023)
  • A. Zero
  • B. Uniform and parallel
  • C. Concentric circles
  • D. Decreasing
Q. What is the main characteristic of elastomers?
  • A. Brittle
  • B. Elastic
  • C. Rigid
  • D. Transparent
Q. What is the main component of a nuclear reactor that slows down neutrons? (2023)
  • A. Control rods
  • B. Moderator
  • C. Coolant
  • D. Shielding
Q. What is the main component of natural rubber?
  • A. Polyisoprene
  • B. Polystyrene
  • C. Polyethylene
  • D. Polyvinyl acetate
Q. What is the main function of lipids in the body?
  • A. Energy storage
  • B. Genetic information
  • C. Structural support
  • D. Transport
Q. What is the main product of the combustion of hydrocarbons? (2023) 2023
  • A. Oxygen
  • B. Water
  • C. Carbon Dioxide
  • D. Nitrogen
Q. What is the main product of the complete combustion of ethane (C2H6)? (2023)
  • A. Carbon dioxide and water
  • B. Carbon monoxide and water
  • C. Soot and water
  • D. Hydrogen gas
Q. What is the main product of the complete combustion of methane? (2023)
  • A. Carbon dioxide and water
  • B. Carbon monoxide and water
  • C. Carbon and hydrogen
  • D. Oxygen and water
Q. What is the main product of the oxidation of ethanol?
  • A. Acetic acid
  • B. Formic acid
  • C. Butanoic acid
  • D. Propanoic acid
Q. What is the main product when 1-bromobutane reacts with sodium hydroxide in ethanol? (2021)
  • A. Butanol
  • B. Butene
  • C. Sodium bromide
  • D. Butyric acid
Q. What is the main product when an amine reacts with an acyl chloride?
  • A. Amide
  • B. Ester
  • C. Alcohol
  • D. Aldehyde
Q. What is the main product when an amine reacts with an alkyl halide?
  • A. Amide
  • B. Quaternary ammonium salt
  • C. Alcohol
  • D. Ester
Q. What is the main product when ethene reacts with bromine?
  • A. Bromethane
  • B. 1,2-Dibromoethane
  • C. Ethane
  • D. Bromoethane
Showing 1621 to 1650 of 2330 (78 Pages)
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