CUET Questions — Physics — CUET UG

Q48. A car has a fresh storage battery of e.m.f. 15 V and internal resistance 4 x 10⁻² Ω. If the starter motor draws a current of 85 A, what is the terminal voltage of the battery when the starter is

Q43. A hot wire voltmeter measures the voltage across the inductor, the capacitor and the resistor as 150 V, 100 V and 50 V across a series, LCR circuit. If resistance is 100 Ω, the current in the cir

Q16. What will be the time by light to travel 2 cm thickness of glass of refractive index 1.5?

Q7. The two coherent monochromatic light beams of intensities I and 41 are superposed. The maximum and minimum possible intensities in the resulting beams are: (a) 5 I and I (b) 9 I and I (c) 5 I and

Q3. What is the force between two small charged spheres having charges of 4 x 10-7C and 6 × 10-7C placed 60 cm apart in air? (a) 3 x 10-3N (b) 4 x 10-3N (c) 6 x 10-3N (d) 9 x 10-3N

Q18. The waves used by artificial satellite for communication purposes are (a) Ground waves (b) Microwaves (c) F. M. radio waves (d) A. M. radio waves

Q41. Three charges q, -q, q placed at the vertices of an equilateral triangle as shown in figure. What is the magnitude of force on charge placed at position 3 due to the presence of other two charges

Q22. The half-lives of 2 radioactive specimen are T₁ = 5 years. and T₂ = 7.5 years. The ratio of their disintegration constants and λ₁ and λ₂ is:

Q2. Match List - I with List - II List-I (A) Microwave (B) UV Rays (C) X-Rays (D) Gamma-Rays List-II (1) Radar System for Aircraft Navigation (II) To study crystal structure (III) Radioactive decay of

Q4. The half-life period of a radioactive element 'X' is same as the mean life of another radioactive element Y. Initially both of them have the same no. of atoms, then: A. X and Y have the same decay