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A block of mass 0.25 kg oscillates in SHM with amplitude 0.080 m and angular frequency 12 rad s^-1 . At one instant its displacement is 0.0... [1]
Atfrac12 × 0.25 × 12^2 × 0.060^2
Btfrac12 × 0.25 × 12^2 × (0.080 - 0.060)^2
Ctfrac12 × 0.25 × 12 × (0.080^2 - 0.060^2)
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011.1: Introduction to the Physics of Measurement
4 questionsPractice
021.2: Uncertainties and Errors
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0310.2: Fields at Work
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0411.2: Power Generation and Transmission
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054.1: Oscillations
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064.3: Wave Characteristics
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075.3: Electric Cells
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088.1: Energy Sources
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0911.3: Capacitance
1 questionsPractice
1012.1: The Interaction of Matter with Radiation
1 questionsPractice
112.3: Work Energy and Power
1 questionsPractice
122.5: Circular Motion and Gravitation
1 questionsPractice
133.1: Thermal Concepts
1 questionsPractice
143.2: Modelling a Gas
1 questionsPractice
154.2: Travelling Waves
1 questionsPractice
165.1: Electric Fields
1 questionsPractice
179.1: Simple Harmonic Motion
1 questionsPractice
189.2: Single-Slit Diffraction
1 questionsPractice
199.5: Doppler Effect
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02 Questions

29
All typesMCQWritten
The wavelength of a laser beam is 6.4 × 10^2 nm. This wavelength isMCQThe unit of electrical resistance, the ohm, is a derived unit. What is the ohm expressed in SI base units?MCQA cyclist of total mass 80 kg climbs a hill of vertical height 50 m in 5 minutes. What is the order of magnitude of the average useful power output of the cyclist, in watts?MCQA positive point charge is isolated in space. A test charge is moved along one complete equipotential surface around the point charge. What is the shape of the equipotential sur...MCQA projectile is launched vertically from the surface of a planet of radius R with a speed equal to half the escape speed. Air resistance is negligible. What is the maximum dista...MCQAn AC supply of peak voltage 12 V is connected across a resistor of resistance 6.0 Ω . The average power dissipated in the resistor isMCQA micrometer reads 0.03 mm when its jaws are fully closed. It is used to measure the thickness of a sheet many times, giving closely grouped readings. What type of error does th...MCQA capacitor stores a charge of 48 μC at a potential difference of 6.0 V . The potential difference is then increased to 18 V . What is the energy stored at 18 V ?MCQSample X is at 27 ^°C and sample Y is at 280 K . Which sample is at the higher temperature, and in which direction does thermal energy transfer when the samples are placed in co...MCQA sealed rigid container holds 0.25 mol of an ideal monatomic gas at 27 ^° C . The gas molecules are treated as point masses in random motion with no intermolecular forces. What...MCQA particle oscillates with simple harmonic motion. Its maximum speed is 0.60 m s^-1 and its maximum acceleration is 4.8 m s^-2 . What is the frequency of the oscillation?MCQA block of mass 0.25 kg oscillates in SHM with amplitude 0.080 m and angular frequency 12 rad s^-1 . At one instant its displacement is 0.060 m . What is the kinetic energy of t...MCQA point source emits sound uniformly in all directions. The distance from the source is doubled. What is the change in intensity, and the change in amplitude at that point?MCQA cell of emf 9.0 V and internal resistance 1.5 Ω is connected to a resistor of resistance 3.0 Ω . The lost volts of the cell areMCQThe terminal potential difference V of a cell varies linearly with the current I it supplies. When I = 0.50 A , V = 5.6 V ; when I = 2.0 A , V = 4.4 V . What is the internal res...MCQA power station burns coal with a specific energy of 30 MJ kg^-1 . Each second, 40 kg of coal is burned and the station delivers 360 MW of electrical power. What is the efficien...MCQA block of mass 0.20 kg oscillates with simple harmonic motion of amplitude 0.050 m and angular frequency 12 rad s^-1 . What is the kinetic energy of the block, in J, when its d...MCQMonochromatic light of wavelength 500 nm passes through a single slit of width 0.20 mm. The Fraunhofer pattern is observed on a distant screen 2.0 m from the slit. What is the w...MCQA siren emits sound of frequency 480 Hz and moves at 30 m s^-1 directly towards a stationary observer. The speed of sound in air is 330 m s^-1 . What is the frequency heard by t...MCQNameName two factors affecting tunnelling probability. [2]WRITTEN[2]StateState two functions of a transformer. [2]WRITTEN[2]DefineDefine amplitude and time period. [2]WRITTEN[2]StateState the principle of superposition. [2]WRITTEN[2]DefineDefine efficiency and elastic potential energy. [2]WRITTEN[2]IdentifyIdentify two sources of systematic error. [2]WRITTEN[2]StateState two conditions for uniform circular motion. [2]WRITTEN[2]StateState two secondary energy sources. [2]WRITTEN[2]StateState two methods of charging by contact. [2]WRITTEN[2]IdentifyIdentify two fundamental SI quantities. [2]WRITTEN[2]
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