2021 SL Paper videos
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May Time Zone 1
Q1: Identifying which quantities are scalar?
Video - 00:2:33 mins
Q2: Absolute & fractional uncertainity from graph
Video - 00:3:02 mins
Q3: Speed time graph of a ball experiencing Air resistance
Video - 00:2:46 mins
Q4: Time at which Instantaneous and Average velocity is equal in S-t graph
Video - 00:2:36 mins
Q5: Find height of ramp from constant Power delievered
Video - 00:1:57 mins
Q6: Elastic collision of a ball bouncing back from wall
Video - 00:2:50 mins
Q7: Find Range of Acceleration due to Min & Max Force
Video - 00:2:13 mins
Q8: Newton's Third Law (Pair of forces) for block placed on another block
Video - 00:2:14 mins
Q9: Calculate Kinetic energy from Kinetic energy & Momentum formula
Video - 00:1:44 mins
Q10: Kinetic model of ideal gas (equations)
Video - 00:2:14 mins
Q11: Ratio of Latent heat and specific heat capacity
Video - 00:2:32 mins
Q12: Find pressure of ideal gas
Video - 00:1:37 mins
Q13: All Motion graphs of simple harmonic motion
Video - 00:2:48 mins
Q14: Calculate distance travelled by longitudnal wave
Video - 00:3:18 mins
Q15: Addition of two waves and finding intensity
Video - 00:1:23 mins
Q16: Why frequency stays same in refraction of light
Video - 00:2:38 mins
Q17: First harmonic standing wave in two pipes
Video - 00:2:15 mins
Q18: Calculate magnitude of Electric field strength & force
Video - 00:2:03 mins
Q19: I-V graph of ohmic and Non-ohmic substance
Video - 00:1:44 mins
Q20: Find condition when Terminal P.difference equalls to EMF
Video - 00:2:12 mins
Q21: Magnetic force exerted on electron due to field produced by current wire
Video - 00:2:04 mins
Q22: Friction as a Centripetal force for a child
Video - 00:2:25 mins
Q23: Definition of gravitational field strength
Video - 00:1:57 mins
Q24: Calculate frequency of photon emitted in emission spectra
Video - 00:2:27 mins
Q25: Atomic mass unit and Avagadro number
Video - 00:2:22 mins
Q26: Beta positive decay example
Video - 00:2:02 mins
Q29: Find new Temperature and Power radiated (luminosity)
Video - 00:3:12 mins
Q30: Calculate Albedo of planet
Video - 00:1:41 mins
May Time Zone 2
Q1: Absolute uncertainity in perimeter
Video - 00:1:51 mins
Q2: Fundamental SI unit of power
Video - 00:1:08 mins
Q3: Average speed & Average Velocity of Minute hand watch
Video - 00:2:16 mins
Q4: Newton's Third law (Force pair) for a person standing on ground
Video - 00:2:19 mins
Q5: Acceleration of an Elevator moving upward
Video - 00:2:55 mins
Q6: Comparison of Frictional force on system of blocks
Video - 00:3:58 mins
Q7: A bullet embedd in block (Momentum & Energy Law)
Video - 00:2:31 mins
Q8: Total Energy and Momentum at highest point of projectile
Video - 00:3:35 mins
Q9: Area under Force-Distance graph
Video - 00:3:17 mins
Q10: Calculate temperature by using ideal gas equation
Video - 00:2:07 mins
Q11: Calculate ratio of pressure of two gases
Video - 00:1:37 mins
Q12: Find Final temperature of Liquid-metal mixture
Video - 00:3:25 mins
Q15: Superposition of two water waves at point (Interference question)
Video - 00:2:51 mins
Q16: Calculate ratio of speeds of light when glass is submerged in two liquids
Video - 00:2:51 mins
Q17: Effect on frequency & wavelength of standing waves produced by sound in pipe
Video - 00:2:13 mins
Q18: Calculate ratio of resistance of two wires
Video - 00:2:11 mins
Q19: Magnetic force behaving as a centripetal force
Video - 00:3:19 mins
Q20: Comparing Power dissipation of three circuits
Video - 00:3:14 mins
Q21: Calculate potential difference using Ohm's law
Video - 00:2:25 mins
Q22: Use of magnetic field lines
Video - 00:2:24 mins
Q23: Centripetal force and Angular frequency
Video - 00:2:22 mins
Q24: Free body diagram of mass moving in Horizontal circular path
Video - 00:1:39 mins
Q25: What happens when alpha particle hits breyllium
Video - 00:1:10 mins
Q26: Identify correct emission spectrum
Video - 00:2:58 mins
Q29: Comparing Luminosity (power radiated) from two objects
Video - 00:3:48 mins
Q30: Role of Greenhouse gas
Video - 00:2:24 mins
November Time Zone 0
Q1: Identify which quantity is vector?
Video - 00:1:52 mins
Q2: Fractional uncertainity in momentum from measurment mass and velocity
Video - 00:1:56 mins
Q3: Draw Velocity-time graph to Acceleration-time graph
Video - 00:3:26 mins
Q4: Find Displacement and time of ball thrown downward
Video - 00:2:37 mins
Q6: Two blocks connected with string (Find Acc & Tension in string)
Video - 00:3:06 mins
Q7: Calculate Elastic potential energy of spring (for HL)
Video - 00:2:24 mins
Q8: Work-Energy principle & Area under F-S graph
Video - 00:2:24 mins
Q9: Direction of Change in Momentum of ball hitting at an angle with wall
Video - 00:3:15 mins
Q10: Comparison of physical quantites during vaporization
Video - 00:1:51 mins
Q11: Find Change in temperature when contant power delivered
Video - 00:1:32 mins
Q12: Find new temprature of gas after compressing it
Video - 00:2:34 mins
Q13: Relation between average speed of SHM with frequency
Video - 00:1:55 mins
Q14: Find phase difference between oscillation of two particles on same wave
Video - 00:2:08 mins
Q16: Comparison of speeds of light in three different mediums based on refraction
Video - 00:3:44 mins
Q17: frequency & Amplitude of different points in same standing wave
Video - 00:2:18 mins
Q18: Find Resultant field strength between two opposite charges
Video - 00:2:31 mins
Q19: Calculate ratio of resistances of two different thickness wires
Video - 00:2:21 mins
Q20: Find current drawn from motor using input power
Video - 00:2:04 mins
Q22: Newton Law for Conical Pendulum
Video - 00:2:53 mins
Q23: Find orbital velocity at height equal to radius of Earth
Video - 00:1:42 mins
Q24: Fraction of decayed nuclie and undecayed nuclides
Video - 00:1:52 mins
Q25: Calculate mass defect
Video - 00:1:24 mins
Q28: Energy density of fuel (Mass density is not included in new syllabus)
Video - 00:1:02 mins
Q30: Charactertics of Black body radiator
Video - 00:2:13 mins
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