Physics Syllabus (JEE Main)

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Q. What is the effect of increasing the temperature of a gas on the speed of sound in that gas?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on pressure
Q. What is the effect of increasing the temperature on the average speed of gas molecules?
  • A. Average speed decreases
  • B. Average speed remains constant
  • C. Average speed increases
  • D. Average speed becomes zero
Q. What is the effect of increasing the temperature on the density of most liquids?
  • A. Increases density
  • B. Decreases density
  • C. No effect
  • D. Depends on the liquid
Q. What is the effect of increasing the temperature on the distribution of molecular speeds in a gas?
  • A. The distribution becomes narrower
  • B. The distribution becomes wider
  • C. The distribution remains unchanged
  • D. The average speed decreases
Q. What is the effect of increasing the temperature on the refractive index of a medium?
  • A. Increases
  • B. Decreases
  • C. Remains the same
  • D. Depends on the medium
Q. What is the effect of increasing the temperature on the resistance of a conductor?
  • A. Resistance decreases
  • B. Resistance increases
  • C. Resistance remains constant
  • D. Resistance fluctuates
Q. What is the effect of increasing the temperature on the resistance of the potentiometer wire?
  • A. Resistance decreases
  • B. Resistance increases
  • C. Resistance remains constant
  • D. Resistance fluctuates
Q. What is the effect of increasing the temperature on the RMS speed of a gas?
  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Depends on pressure
Q. What is the effect of increasing the temperature on the speed of gas molecules?
  • A. Speed decreases
  • B. Speed remains constant
  • C. Speed increases
  • D. Speed becomes zero
Q. What is the effect of increasing the tension in a string on the speed of a wave traveling along it?
  • A. Speed decreases
  • B. Speed increases
  • C. Speed remains constant
  • D. Speed becomes zero
Q. What is the effect of increasing the tension in a string on the speed of a wave traveling through it?
  • A. Increases speed
  • B. Decreases speed
  • C. No effect
  • D. Depends on the mass
Q. What is the effect of increasing the transmission power in a communication system?
  • A. Increased range
  • B. Decreased noise
  • C. Higher bandwidth
  • D. Lower distortion
Q. What is the effect of increasing the wavelength of incident light on the photoelectric current?
  • A. It increases the current
  • B. It decreases the current
  • C. It has no effect
  • D. It stops the current
Q. What is the effect of increasing the wavelength of incident light on the photoelectric effect?
  • A. More electrons are emitted
  • B. Fewer electrons are emitted
  • C. The kinetic energy of emitted electrons increases
  • D. The work function decreases
Q. What is the effect of increasing the wavelength of light in a diffraction grating experiment?
  • A. Fringe spacing decreases
  • B. Fringe spacing increases
  • C. No effect on fringe spacing
  • D. Fringe intensity increases
Q. What is the effect of increasing the wavelength of light in a diffraction pattern?
  • A. Fringe spacing decreases
  • B. Fringe spacing increases
  • C. No effect on fringe spacing
  • D. Fringe intensity increases
Q. What is the effect of increasing the wavelength of light in a double-slit diffraction experiment?
  • A. Fringe separation decreases
  • B. Fringe separation increases
  • C. No effect on fringe separation
  • D. Fringe visibility decreases
Q. What is the effect of increasing the wavelength of light in a double-slit experiment?
  • A. Fringe width decreases
  • B. Fringe width increases
  • C. Fringe separation remains unchanged
  • D. No effect on interference pattern
Q. What is the effect of increasing the wavelength of light in a double-slit experiment on the fringe separation?
  • A. Fringe separation decreases
  • B. Fringe separation increases
  • C. Fringe separation remains the same
  • D. Fringe separation becomes zero
Q. What is the effect of increasing the wavelength of light on the diffraction pattern produced by a single slit?
  • A. The pattern becomes sharper
  • B. The pattern becomes broader
  • C. The pattern remains unchanged
  • D. The pattern disappears
Q. What is the effect of increasing the wavelength of light on the fringe separation in a double-slit experiment?
  • A. Increases
  • B. Decreases
  • C. No effect
  • D. Depends on slit separation
Q. What is the effect of increasing the wavelength of light used in a double-slit experiment on the fringe separation?
  • A. Fringe separation decreases
  • B. Fringe separation increases
  • C. Fringe separation remains the same
  • D. Fringe separation becomes zero
Q. What is the effect of increasing the wavelength on the diffraction pattern of a single slit?
  • A. Fringes become narrower
  • B. Fringes become wider
  • C. Fringes disappear
  • D. Fringes become brighter
Q. What is the effect of increasing the wavelength on the diffraction pattern?
  • A. Fringes become narrower
  • B. Fringes become wider
  • C. No effect
  • D. Fringes disappear
Q. What is the effect of increasing the work function of a metal on the photoelectric effect?
  • A. More electrons are emitted
  • B. Fewer electrons are emitted
  • C. The frequency of light must be increased
  • D. Both B and C are correct
Q. What is the effect of inserting a dielectric material between the plates of a capacitor?
  • A. Increases capacitance
  • B. Decreases capacitance
  • C. No effect on capacitance
  • D. Changes the voltage across the plates
Q. What is the effect of pressure on the viscosity of gases?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on temperature
Q. What is the effect of pressure on the viscosity of liquids?
  • A. Increases viscosity
  • B. Decreases viscosity
  • C. No effect
  • D. Depends on the temperature
Q. What is the effect of rotating a polarizer in front of a beam of polarized light?
  • A. The intensity increases
  • B. The intensity decreases
  • C. The intensity remains constant
  • D. The light changes color
Q. What is the effect of rotating a polarizer in front of a polarized light source?
  • A. Intensity remains constant
  • B. Intensity increases
  • C. Intensity decreases
  • D. Intensity first increases then decreases
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