Physics Syllabus (JEE Main)

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Q. What is the condition for critical damping in a damped oscillator?
  • A. Damping coefficient equals zero
  • B. Damping coefficient equals mass times natural frequency
  • C. Damping coefficient is less than mass times natural frequency
  • D. Damping coefficient is greater than mass times natural frequency
Q. What is the condition for light to be completely polarized by reflection?
  • A. Angle of incidence equals angle of refraction
  • B. Angle of incidence equals Brewster's angle
  • C. Angle of incidence is 45 degrees
  • D. Light must be monochromatic
Q. What is the condition for light to be polarized by reflection?
  • A. Angle of incidence equals angle of refraction
  • B. Angle of incidence equals Brewster's angle
  • C. Angle of incidence is 45 degrees
  • D. Light must be monochromatic
Q. What is the condition for rolling without slipping?
  • A. v = Rω
  • B. v = 2Rω
  • C. v = 0
  • D. v = R^2ω
Q. What is the condition for the first minimum in single-slit diffraction?
  • A. a = λ
  • B. a = 2λ
  • C. a = λ/2
  • D. a = 3λ
Q. What is the conversion factor from kilometers to meters?
  • A. 100
  • B. 1000
  • C. 0.1
  • D. 0.001
Q. What is the conversion factor from kilometers to miles?
  • A. 0.621
  • B. 1.609
  • C. 0.539
  • D. 1.000
Q. What is the correct number of significant figures in the result of 5.67 - 0.2?
  • A. 4
  • B. 3
  • C. 2
  • D. 1
Q. What is the correct number of significant figures in the result of 6.022 x 10^23?
  • A. 2
  • B. 3
  • C. 4
  • D. 5
Q. What is the correct way to express 0.000123 in scientific notation with significant figures?
  • A. 1.23 x 10^-4
  • B. 1.23 x 10^-3
  • C. 1.2 x 10^-4
  • D. 1.23 x 10^-5
Q. What is the correct way to express 0.000123 in scientific notation?
  • A. 1.23 x 10^-4
  • B. 1.23 x 10^-3
  • C. 1.23 x 10^-2
  • D. 1.23 x 10^-5
Q. What is the correct way to express 0.0001234 in scientific notation with significant figures?
  • A. 1.234 x 10^-4
  • B. 1.23 x 10^-4
  • C. 1.2340 x 10^-4
  • D. 1.2 x 10^-4
Q. What is the correct way to express 0.000345 in scientific notation with significant figures?
  • A. 3.45 x 10^-4
  • B. 3.450 x 10^-4
  • C. 3.4500 x 10^-4
  • D. 3.4 x 10^-4
Q. What is the correct way to express 0.000450 in scientific notation with significant figures?
  • A. 4.5 x 10^-4
  • B. 4.50 x 10^-4
  • C. 0.45 x 10^-3
  • D. 4.500 x 10^-4
Q. What is the critical angle for a glass-air interface if the refractive index of glass is 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 90 degrees
Q. What is the critical angle for total internal reflection from glass to air if the refractive index of glass is 1.5?
  • A. 30 degrees
  • B. 41.8 degrees
  • C. 48.6 degrees
  • D. 60 degrees
Q. What is the critical angle for total internal reflection from water (n = 1.33) to air (n = 1)?
  • A. 48.6 degrees
  • B. 53.1 degrees
  • C. 60 degrees
  • D. 90 degrees
Q. What is the critical angle for total internal reflection from water to air (n_water = 1.33, n_air = 1.00)?
  • A. 48.6 degrees
  • B. 90 degrees
  • C. 42.0 degrees
  • D. 60 degrees
Q. What is the critical angle for total internal reflection from water to air (n_water = 1.33, n_air = 1)?
  • A. 48.6 degrees
  • B. 90 degrees
  • C. 30.0 degrees
  • D. 60.0 degrees
Q. What is the critical angle for total internal reflection if the refractive index of the medium is 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 90 degrees
Q. What is the critical angle for total internal reflection in a medium with a refractive index of 1.5?
  • A. 30 degrees
  • B. 45 degrees
  • C. 60 degrees
  • D. 90 degrees
Q. What is the critical angle for total internal reflection when light travels from glass (n = 1.5) to air (n = 1)?
  • A. 30 degrees
  • B. 41.8 degrees
  • C. 48.6 degrees
  • D. 60 degrees
Q. What is the critical angle for total internal reflection when light travels from water (n = 1.33) to air (n = 1)?
  • A. 48.6 degrees
  • B. 53.1 degrees
  • C. 60 degrees
  • D. 90 degrees
Q. What is the critical angle for total internal reflection when light travels from water (n=1.33) to air (n=1.00)?
  • A. 48.6 degrees
  • B. 41.8 degrees
  • C. 53.1 degrees
  • D. 60.0 degrees
Q. What is the critical mass in nuclear fission?
  • A. Mass required for a chain reaction
  • B. Mass of a single nucleus
  • C. Mass of the entire reactor
  • D. Mass of fuel rods
Q. What is the critical mass in nuclear physics?
  • A. Mass required for a stable nucleus
  • B. Mass required to sustain a nuclear chain reaction
  • C. Mass of a neutron
  • D. Mass of a proton
Q. What is the critical temperature for a superconductor?
  • A. The temperature at which it becomes a perfect conductor
  • B. The temperature at which it loses all resistance
  • C. The temperature at which it becomes a perfect insulator
  • D. The temperature at which it becomes a normal conductor
Q. What is the current flowing through a 10 ohm resistor connected to a 20V battery?
  • A. 2 A
  • B. 1 A
  • C. 0.5 A
  • D. 0.2 A
Q. What is the current flowing through a 15Ω resistor connected to a 45V battery?
  • A. 1A
  • B. 2A
  • C. 3A
  • D. 4A
Q. What is the current through a 10 ohm resistor connected across a 20V battery?
  • A. 0.5 A
  • B. 2 A
  • C. 1 A
  • D. 5 A
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