Physics
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Q. If the wavelength of light used in a single-slit diffraction experiment is increased, what happens to the width of the central maximum? (2023)
Q. If the wavelength of light used in a single-slit diffraction experiment is increased, what will happen to the position of the first minimum? (2022)
Q. If two charges +Q and -Q are placed at a distance 'd' apart, what is the electric field at the midpoint? (2020)
Q. If two identical capacitors of 4 µF each are connected in series, what is the equivalent capacitance?
Q. If two resistors of 4Ω and 6Ω are connected in series, what is the total resistance? (2023)
Q. If two resistors of 4Ω and 6Ω are connected in series, what is the total voltage across them if the current is 2A? (2022)
Q. In a Carnot engine operating between 500 K and 300 K, what is the maximum efficiency of the engine? (2021)
Q. In a Carnot engine operating between temperatures of 500 K and 300 K, what is the efficiency of the engine? (2023)
Q. In a Carnot engine operating between temperatures of 500 K and 300 K, what is the maximum efficiency? (2023)
Q. In a Carnot engine operating between two heat reservoirs at temperatures 500 K and 300 K, what is the maximum efficiency of the engine? (2023)
Q. In a circuit with a 24V battery and two 8Ω resistors in series, what is the total current? (2022)
Q. In a circuit with a 24V battery and two resistors of 4Ω and 8Ω in parallel, what is the total current supplied by the battery? (2022)
Q. In a circuit with a 5Ω and a 10Ω resistor in parallel, what is the total current if the voltage across them is 20V? (2022)
Q. In a circuit with a 9V battery and a 3Ω resistor, what is the current flowing through the resistor? (2023)
Q. In a circuit with a 9V battery and a 3Ω resistor, what is the power dissipated by the resistor? (2021)
Q. In a circuit with a 9V battery and a 3Ω resistor, what is the power dissipated in the resistor? (2023)
Q. In a circuit, if the current is doubled while the resistance remains constant, what happens to the power? (2020)
Q. In a circuit, if the current is doubled while the resistance remains constant, what happens to the power consumed? (2020)
Q. In a circuit, if the resistance is halved while the voltage remains constant, what happens to the current? (2022)
Q. In a circuit, if the voltage is doubled and the resistance remains constant, what happens to the current? (2020)
Q. In a damped harmonic oscillator, what happens to the amplitude over time? (2023)
Q. In a diffraction pattern, if the distance between the slits is decreased, what happens to the central maximum? (2022)
Q. In a diffraction pattern, the central maximum is observed to be the brightest. What is the reason for this? (2022)
Q. In a double-slit experiment, if the distance between the slits is 0.1 mm and the screen is 1 m away, what is the fringe separation for light of wavelength 500 nm? (2020)
Q. In a double-slit experiment, if the wavelength of light is halved, what happens to the fringe width? (2020)
Q. In a generator, mechanical energy is converted into electrical energy through: (2019)
Q. In a generator, mechanical energy is converted into which type of energy? (2021)
Q. In a generator, what is the role of the rotating coil? (2022)
Q. In a harmonic oscillator, if the mass is doubled while keeping the spring constant the same, how does the frequency change? (2021)
Q. In a magnetic field, the force on a charged particle is maximum when the angle between the velocity and the magnetic field is: (2019)
