Q. What is the bond angle in a water molecule (H2O)?
  • A. 120 degrees
  • B. 109.5 degrees
  • C. 104.5 degrees
  • D. 180 degrees
Q. What is the bond angle in water (H2O)?
  • A. 90 degrees
  • B. 104.5 degrees
  • C. 120 degrees
  • D. 180 degrees
Q. What is the bond order of the CO molecule?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
Q. What is the bond order of the ion O2-?
  • A. 1
  • B. 2
  • C. 3
  • D. 4
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?
  • A. Resistance to shear deformation
  • B. Resistance to volume change
  • C. Resistance to bending
  • D. Resistance to tensile stress
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 change in enthalpy for an endothermic reaction?
  • A. Negative
  • B. Positive
  • C. Zero
  • D. Undefined
Q. What is the change in enthalpy for an exothermic reaction?
  • A. Positive
  • B. Negative
  • C. Zero
  • D. Undefined
Q. What is the change in enthalpy for an isothermal process?
  • A. Zero
  • B. Positive
  • C. Negative
  • D. Depends on the system
Q. What is the change in entropy when 1 mole of an ideal gas expands isothermally and reversibly from volume V1 to V2?
  • A. R ln(V2/V1)
  • B. R (V2 - V1)
  • C. R (V1/V2)
  • D. 0
Q. What is the change in entropy when 1 mole of an ideal gas expands isothermally from volume V1 to V2?
  • A. R ln(V2/V1)
  • B. R (V2 - V1)
  • C. R (V1/V2)
  • D. 0
Q. What is the change in internal energy (ΔU) for an ideal gas in an isochoric process?
  • A. ΔU = Q
  • B. ΔU = W
  • C. ΔU = 0
  • D. ΔU = Q - W
Q. What is the change in internal energy for an ideal gas during an isochoric process?
  • A. Zero
  • B. nRΔT
  • C. Q
  • D. W
Q. What is the change in internal energy for an ideal gas undergoing an isochoric process?
  • A. Zero
  • B. Equal to the heat added
  • C. Equal to the work done
  • D. Equal to the change in temperature
Q. What is the change in internal energy of an ideal gas during an isochoric process?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on the amount of gas
Q. What is the change in oxidation state of carbon in the reaction: CH4 + 2O2 → CO2 + 2H2O?
  • A. 0 to +4
  • B. +4 to 0
  • C. 0 to -4
  • D. -4 to 0
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