2020 HL paper videos
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November Time Zone 0
Q1: Relating unit with correct Physical quantity
Video - 00:00:52 mins
Q2: Acceleration of block experiencing Unbalanced forces
Video - 00:1:33 mins
Q3: Translational Equilibrium (Vector sum of Forces)
Video - 00:2:23 mins
Q4: Find Energy transferred to air of a falling object
Video - 00:3:07 mins
Q5: Power-Displacement graph
Video - 00:2:52 mins
Q6: Conservation of Momentum & Energy in In-elastic Collision
Video - 00:3:26 mins
Q7: Postulates of Kinetic molecular theory
Video - 00:2:44 mins
Q9: Find Pressure when two gas containers joined
Video - 00:3:02 mins
Q10: Magnitude of acceleration and its direction of SHM
Video - 00:3:13 mins
Q11: Find speed of wave if distance between two points on wave is given
Video - 00:2:40 mins
Q12: Draw correct Ray diagram of refraction of wavefronts
Video - 00:3:53 mins
Q13: Phase difference between two points in a standing wave in a pipe
Video - 00:2:35 mins
Q16: Determine factors on which specific resistance depends
Video - 00:1:29 mins
Q17: Rate of energy loss in cable due to flow of current
Video - 00:1:37 mins
Q18: Expression of EMF in terms of current, time and energy delievered
Video - 00:1:43 mins
Q19: Visualization of magnetic force exerted on current carrying wire by external field
Video - 00:2:15 mins
Q20: Horizontal circle (Larger mass attached with smaller mass)
Video - 00:2:03 mins
Q21: Which emission spectra will give out light of minimum wavelength
Video - 00:2:21 mins
Q23: Importance of modern physics theories
Video - 00:2:20 mins
Q26: Apparent brightness (Intensity) of moon and planet
Video - 00:2:01 mins
Q27: Ratio of time periods of mass spring system when masses are changed
Video - 00:3:05 mins
Q31: Energy changes when a satellite is moved from one orbit to other
Video - 00:4:48 mins
Q32: Electric field strength vs distance graph
Video - 00:2:06 mins
Q37: Effect of increased intensity on rate of emmission and kinetic energy
Video - 00:2:21 mins
Q38: Calculate nucleon number from Rutherford exp equation
Video - 00:1:24 mins
Q39: Energy and Momentum of photon formula relevance with each other
Video - 00:2:00 mins
Q40: Rutherford experiment observation
Video - 00:2:14 mins
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