61. Which phenomenon demonstrates the particle nature of light?
✅ D. Photoelectric effect
A: Young's double-slit interference B: Diffraction grating C: Polarization D: Photoelectric effect Read more
Physics – Page 4
62. What is the acceleration due to gravity on the surface of Earth approximately?
✅ C. 9.8 m/s^2
A: 8.9 m/s^2 B: 10.5 m/s^2 C: 9.8 m/s^2 D: 11.2 m/s^2 Read more
63. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ B. Convex mirror
A: Plane mirror B: Convex mirror C: Concave mirror D: Parabolic mirror Read more
64. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ A. Boyle's law
A: Boyle's law B: Charles's law C: Gay-Lussac's law D: Avogadro's law Read more
65. What physical quantity is measured in Joules?
✅ D. Energy
A: Power B: Force C: Pressure D: Energy Read more
66. Which phenomenon demonstrates the particle nature of light?
✅ A. Photoelectric effect
A: Photoelectric effect B: Young's double-slit interference C: Diffraction grating D: Polarization Read more
67. What is the acceleration due to gravity on the surface of Earth approximately?
✅ D. 9.8 m/s^2
A: 8.9 m/s^2 B: 10.5 m/s^2 C: 11.2 m/s^2 D: 9.8 m/s^2 Read more
68. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ C. Convex mirror
A: Plane mirror B: Concave mirror C: Convex mirror D: Parabolic mirror Read more
69. What physical quantity is measured in Joules?
✅ A. Energy
A: Energy B: Power C: Force D: Pressure Read more
70. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ B. Boyle's law
A: Charles's law B: Boyle's law C: Gay-Lussac's law D: Avogadro's law Read more
71. Which phenomenon demonstrates the particle nature of light?
✅ B. Photoelectric effect
A: Young's double-slit interference B: Photoelectric effect C: Diffraction grating D: Polarization Read more
72. What is the acceleration due to gravity on the surface of Earth approximately?
✅ A. 9.8 m/s^2
A: 9.8 m/s^2 B: 8.9 m/s^2 C: 10.5 m/s^2 D: 11.2 m/s^2 Read more
73. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ C. Boyle's law
A: Charles's law B: Gay-Lussac's law C: Boyle's law D: Avogadro's law Read more
74. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ D. Convex mirror
A: Plane mirror B: Concave mirror C: Parabolic mirror D: Convex mirror Read more
75. What physical quantity is measured in Joules?
✅ B. Energy
A: Power B: Energy C: Force D: Pressure Read more
76. Which phenomenon demonstrates the particle nature of light?
✅ C. Photoelectric effect
A: Young's double-slit interference B: Diffraction grating C: Photoelectric effect D: Polarization Read more
77. What is the acceleration due to gravity on the surface of Earth approximately?
✅ B. 9.8 m/s^2
A: 8.9 m/s^2 B: 9.8 m/s^2 C: 10.5 m/s^2 D: 11.2 m/s^2 Read more
78. What type of mirror is used as a rear-view mirror in vehicles to provide a wider field of view?
✅ A. Convex mirror
A: Convex mirror B: Plane mirror C: Concave mirror D: Parabolic mirror Read more
79. Which law states that the pressure of a given mass of gas is inversely proportional to its volume at constant temperature?
✅ D. Boyle's law
A: Charles's law B: Gay-Lussac's law C: Avogadro's law D: Boyle's law Read more
80. What physical quantity is measured in Joules?
✅ C. Energy
A: Power B: Force C: Energy D: Pressure Read more