Day 564: JEE Mains Physics
5 questions. Try each one first, then open its answer.
Question 1
Semiconductor Electronics. Asked once: 23 Jan 2025
15Refer to the circuit diagram given in the figure, which of the following observation are correct? (A) Total resistance of circuit is . (B) Current in Ammeter is 1 A (C) Potential across is 4 Volts. (D) Potential across CD is 4 Volts. (E) Total resistance of the circuit is . Choose the correct answer from the options given below:Tap an option to check your answer.
Question 2
System of Particles and Rotational Motion. Asked once: 30 Jan 2023
22A thin uniform rod of length , cross sectional area ' ' and density ' ' is rotated about an axis passing through the centre and perpendicular to its length with angular velocity . If value of in terms of its rotational kinetic energy is then value of isQuestion 3
Thermodynamics. Asked once: 2021 Paper 12
5A gas is taken through an isothermal process as shown. Find the work done by the gasTap an option to check your answer.
Question 4
Units and Measurements. Asked once: 26 Jul 2022
20A screw gauge of pitch is used to measure the diameter of uniform wire of length , the main scale reading is and circular scale reading is 7 . The calculated curved surface area of wire to appropriate significant figures is: [Screw gauge has 50 divisions on the circular scale]Tap an option to check your answer.
Question 5
Work, Energy and Power. Asked once: 28 Jul 2022
95A bullet of mass having initial kinetic energy is shot inside a long swimming pool as shown in the figure. If it's kinetic energy reduces to within , the minimum length of the pool, the bullet has a to travel so that it completely comes to rest isTap an option to check your answer.