Major Competitive Exams

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Q. What is the bond order of the molecule B2 according to molecular orbital theory?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the bond order of the molecule B2?
  • A. 1
  • B. 2
  • C. 3
  • D. 0
Q. What is the bond order of the molecule CO?
  • A. 1
  • B. 2
  • C. 3
  • D. 0.5
Q. What is the bond order of the molecule He2?
  • A. 0
  • B. 1
  • C. 2
  • D. 3
Q. What is the bond order of the N2 molecule?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the bond order of the O2 molecule according to Molecular Orbital Theory?
  • A. 1
  • B. 2
  • C. 3
  • D. 0
Q. What is the Brewster's angle for a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle for light entering a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle for light in air (n=1) reflecting off glass (n=1.5)?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle for light traveling from air (n1 = 1) to glass (n2 = 1.5)?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 53 degrees
Q. What is the Brewster's angle?
  • A. The angle at which light is completely absorbed
  • B. The angle at which light is reflected with maximum polarization
  • C. The angle at which light refracts without any reflection
  • D. The angle at which light intensity is halved
Q. What is the bulk modulus of a material if a pressure increase of 1000 kPa causes a volume decrease of 0.01 m³ in a 1 m³ sample? (2022)
  • A. 10000 kPa
  • B. 1000 kPa
  • C. 100 kPa
  • D. 100 kPa
Q. What is the bulk modulus of a material if a pressure increase of 1000 kPa results in a volume decrease of 0.01 m³ for a volume of 1 m³? (2022)
  • A. 10000 kPa
  • B. 1000 kPa
  • C. 100 kPa
  • D. 100000 kPa
Q. What is the bulk modulus of a material if a pressure increase of 1000 kPa results in a volume decrease of 0.5%? (2022)
  • A. 200000 kPa
  • B. 500000 kPa
  • C. 1000000 kPa
  • D. 250000 kPa
Q. What is the bulk modulus of a material if a pressure increase of 50 MPa results in a volume decrease of 0.02 m³ for a volume of 1 m³? (2022)
  • A. 2500 MPa
  • B. 500 MPa
  • C. 1000 MPa
  • D. 2000 MPa
Q. What is the bulk modulus of a material if a pressure increase of 50 MPa results in a volume decrease of 0.002 m³ for a volume of 1 m³? (2022)
  • A. 25 GPa
  • B. 50 GPa
  • C. 100 GPa
  • D. 200 GPa
Q. What is the bulk modulus of a material?
  • A. Resistance to shear deformation
  • B. Resistance to volume change
  • C. Resistance to bending
  • D. Resistance to tensile stress
Q. What is the caloric value of one gram of fat?
  • A. 4 calories
  • B. 7 calories
  • C. 9 calories
  • D. 12 calories
Q. What is the capacitance of a capacitor if it stores 6μC of charge at a potential difference of 3V? (2022)
  • A. 2μF
  • B. 3μF
  • C. 4μF
  • D. 5μF
Q. What is the capacitance of a capacitor that stores 10 µC of charge at a potential difference of 5 V?
  • A. 2 µF
  • B. 5 µF
  • C. 10 µF
  • D. 20 µF
Q. What is the capacitance of a parallel plate capacitor with an area of 0.01 m² and a separation of 0.001 m, filled with a dielectric of relative permittivity 5?
  • A. 5.5 × 10^-11 F
  • B. 5.5 × 10^-10 F
  • C. 5.5 × 10^-9 F
  • D. 5.5 × 10^-8 F
Q. What is the capacitance of a parallel plate capacitor with area 0.1 m² and separation 0.01 m filled with air (ε₀ = 8.85 × 10^-12 F/m)?
  • A. 8.85 × 10^-12 F
  • B. 8.85 × 10^-10 F
  • C. 8.85 × 10^-9 F
  • D. 8.85 × 10^-8 F
Q. What is the capacitance of a parallel plate capacitor with area A and separation d?
  • A. ε₀ * A / d
  • B. A / (ε₀ * d)
  • C. d / (ε₀ * A)
  • D. ε₀ * d / A
Q. What is the capacitance of a parallel plate capacitor with plate area A and separation d?
  • A. ε₀A/d
  • B. d/ε₀A
  • C. A/ε₀d
  • D. ε₀d/A
Q. What is the capacitance of a spherical capacitor with inner radius a and outer radius b? (2023)
  • A. 4πε₀ab/(b-a)
  • B. 4πε₀/(1/a - 1/b)
  • C. 4πε₀/(a+b)
  • D. 4πε₀/(b-a)
Q. What is the capacitive reactance of a capacitor of 10μF at a frequency of 60 Hz? (2016)
  • A. 265.26Ω
  • B. 159.15Ω
  • C. 100Ω
  • D. 50Ω
Q. What is the capacitive reactance of a capacitor with a capacitance of 10μF at a frequency of 50Hz? (2020)
  • A. 318.31 ohms
  • B. 159.15 ohms
  • C. 31.83 ohms
  • D. 15.92 ohms
Q. What is the capital city of Australia? (2021)
  • A. Sydney
  • B. Canberra
  • C. Melbourne
  • D. Brisbane
Q. What is the capital city of Japan?
  • A. Seoul
  • B. Beijing
  • C. Tokyo
  • D. Bangkok
Q. What is the capital city of the Indian state of Maharashtra?
  • A. Mumbai
  • B. Pune
  • C. Nagpur
  • D. Nashik
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