CUET Questions — Physics

Q18. A network of three capacitors each 9 µF connected in series and the fourth capacitor of 6 µF is supplied 400 V as shown in figure. The ratio of charge on the capacitor C₁ to the capacitor C4 is:

Q39. A p-n junction diode can be used:

Q28. The wavelength of light from the spectral emission line of sodium is 662 nm. The kinetic energy at which an electron would have same de-Broglie wavelength would be: (h = 6.62 x 10⁻³⁴ J-s, me = 9

Q40. A telescope has an objective of focal length 30 cm and an eyepiece of focal length 3.0 cm. It is focused on a scale distant 2.0 m. For seeing with relaxed eye, the separation between the objectiv

Q26. An a.c voltage is applied to a resistor of resistance 50 Ω and an inductor having inductive reactance of 50 Ω connected in series. The phase difference between applied voltage and the current in

Q15. A transformer has an efficiency of 80%. It works at 3 kW and 120 V. If the secondary voltage is 240 V, what will be the secondary current? (a) 2.5 A (b) 12.5 A (c) 25 A (d) 10 A

Q4. What is the mathematical expression for potential gradient? (a) dv / rdr (b) dE / dr (c) dv / dr (d) dv / dA

Q54. Match List I with List II LIST I Physical Quantity A. Electric charge B. Force C. Power D. Energy LIST II Units I. Newton II. Coulamb III. Joule IV. Watt

Q43. A message signal of peak value 2 V is used to modulate a carrier wave of peak value 10 V. The modulation index of the amplitude modulated wave is:

Q25. Arrange the following m Increasing number of quantum number when coming from excited energy state A. Lyman Series B. Balmer Series C. Paschen Series D Brackett Series E. Pfund Series Choose the c