Day 22: JEE Mains Physics
5 questions. Try each one first, then open its answer.
Question 1
Units and Measurements. This type asked 5 times: 2021 Paper 21, 2021 Paper 23, 25 Jul 2022, 11 Apr 2023, 2 Apr 2026 S2. This one: 2 Apr 2026 S2 See all 5 of this type
1Dimensions of universal gravitational constant (G) in terms of Planck's constant (h), distance ( ), mass ( ) and time ( ) are .Tap an option to check your answer.
Question 2
Wave Optics. This type asked 5 times: 31 Jan 2023, 6 Apr 2023, 4 Apr 2024, 24 Jan 2025, 28 Jan 2026 S2. This one: 28 Jan 2026 S2 See all 5 of this type
24A beam of light consisting of wavelengths 650 nm and 550 nm illuminates the Young's double slits with separation of 2 mm such that the interference fringes are formed on a screen, placed at a distance of 1.2 m from the slits. The least distance of a point from the central maximum, where the bright fringes due to both the wavelengths coincide, is .Question 3
Ray Optics. This type asked 5 times: 29 Jan 2024, 28 Jan 2025, 4 Apr 2025, 7 Apr 2025, 24 Jan 2026 S2. This one: 24 Jan 2026 S2 See all 5 of this type
20Distance between an object and three times magnified real image is 40 cm . The focal length of the mirror used is cm .Tap an option to check your answer.
Question 4
Waves. This type asked 5 times: 25 Jun 2022, 31 Jan 2024, 8 Apr 2024, 22 Jan 2025, 24 Jan 2026 S2. This one: 24 Jan 2026 S2 See all 5 of this type
9The fifth harmonic of a closed organ pipe is found to be in unison with the first harmonic of an open pipe. The ratio of lengths of closed pipe to that of the open pipe is . The value of x is .Tap an option to check your answer.
Question 5
Current Electricity. This type asked 5 times: 29 Jun 2022, 24 Jan 2023, 6 Apr 2023, 30 Jan 2024, 24 Jan 2026 S1. This one: 24 Jan 2026 S1 See all 5 of this type
5Two resistors of each are connected in series with a 9 V battery. A voltmeter of resistance is connected to measure the voltage drop across one of the resistors. The voltmeter reading is V.Tap an option to check your answer.