Day 382: JEE Mains Physics
5 questions. Try each one first, then open its answer.
Question 1
System of Particles and Rotational Motion. Asked once: 24 Jan 2023 (same type asked 6 times) See all 6 of this type
26Solid sphere A is rotating about an axis PQ. If the radius of the sphere is then its radius of gyration about PQ will be . The value of is___Question 2
Current Electricity. Asked once: 26 Jul 2022 (same type asked 6 times) See all 6 of this type
26Resistance are connected in a meter bridge circuit as shown in the figure. The balancing length is . Now an unknown resistance is connected in series with and new balancing length is found to be measured from the same end. Then the value of will be .Question 3
Moving Charges and Magnetism. Asked once: 1 Feb 2024 (same type asked 6 times) See all 6 of this type
91In an ammeter, of the main current passes through the galvanometer. If resistance of the galvanometer is G, the resistance of ammeter will be:Tap an option to check your answer.
Question 4
Moving Charges and Magnetism. Asked once: 2021 Paper 23 (same type asked 6 times) See all 6 of this type
2A current of is flowing through a triangle, of side each. The magnetic field at the centroid of the triangle is: (Assume that the current is flowing in the clockwise direction.)Tap an option to check your answer.
Question 5
Ray Optics. Asked once: 29 Jun 2022 (same type asked 6 times) See all 6 of this type
94The speed of light in media 'A' and 'B' are and respectively. A ray of light enters from the medium to at an incident angle ' '. If the ray suffers total internal reflection, thenTap an option to check your answer.