TRANSFER OF HEAT MCQs 7 min Score: 0 Attempted: 0/7 Subscribe 1. . The mode of transfer of heat from layer to layer without any visible motion of particles is called: (A) Transmission (B) Convection (C) Radiation (D) ConductionShow All Answers 2. . X–rays are similar in nature to: (A) Cathode rays (B) Gamma rays (C) Positive rays (D) Alpha raysShow All Answers 3. . Photoelectric effect occurs only when light used exceeds a certain: (A) Frequency (B) Wavelength (C) Velocity (D) IntensityShow All Answers 4. . Number of modes of transfer of heat are: (A) 2 (B) 3 (C) 4 (D) InfiniteShow All Answers 5. . Transfer of heat from one part to another part by actual movement of particles is known as: (A) Radiation (B) Conduction (C) Convection (D) None of theseShow All Answers 6. . According to Stefan-Boltzmann law: (A) E ∝ T⁴ (B) E ∝ T³ (C) E ∝ T² (D) E ∝ TShow All Answers 7. . Velocity of X–rays is equal to that of: (A) γ–rays (B) α–rays (C) Sound (D) None of theseShow All Answers
