MHT-CET
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Q. If z = 5 + 12i, what is the imaginary part of z? (2022)
Q. If \( B = \begin{pmatrix} 2 & 3 \\ 1 & 4 \end{pmatrix} \), what is \( |B| \)? (2022)
Q. If \( E = \begin{pmatrix} 0 & 1 \\ 1 & 0 \end{pmatrix} \), what is \( |E| \)? (2023)
Q. If \( E = \begin{pmatrix} 1 & 1 \\ 1 & 1 \end{pmatrix} \), what is \( |E| \)? (2022)
Q. If \( I = \begin{pmatrix} 1 & 1 \\ 1 & 1 \end{pmatrix} \), what is \( |I| \)? (2021)
Q. In a buffer solution, which component resists changes in pH? (2020)
Q. In a buffer solution, which of the following components is essential? (2023)
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 maximum efficiency? (2023)
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 T1 and T2, what is the efficiency (η) of the engine? (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 Carnot engine, the efficiency depends on which of the following? (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 class of 30 students, 18 are girls. What is the probability of randomly selecting a boy? (2021)
Q. In a closed system, if 100 J of heat is added and 40 J of work is done by the system, what is the change in internal energy? (2022)
Q. In a concentration cell, if the concentration of one half-cell is 0.1 M and the other is 1 M, what is the cell potential?
Q. In a cyclic process, the net work done is equal to: (2020)
Q. In a damped harmonic oscillator, what happens to the amplitude over time? (2023)
Q. In a Daniell cell, which metal acts as the anode?
Q. In a diffraction pattern, if the distance between the slits is decreased, what happens to the central maximum? (2022)
