Day 170: JEE Mains Physics
5 questions. Try each one first, then open its answer.
Question 1
Work, Energy and Power. Asked once: 6 Apr 2024 (same type asked 5 times) See all 5 of this type
16Four particles A, B, C, D of mass , have same momentum, respectively. The particle with maximum kinetic energy is:Tap an option to check your answer.
Question 2
Alternating Current. Asked once: 12 Apr 2023 (same type asked 5 times) See all 5 of this type
20Given below are two statements: Statement I: When the frequency of an a.c. source in a series LCR circuit increases, the current in the circuit first increases, attains a maximum value and then decreases. Statement II: In a series LCR circuit, the value of power factor at resonance is one. In the light of given statements, choose the most appropriate answer from the options given below:Tap an option to check your answer.
Question 3
Laws of Motion. Asked once: 24 Jan 2023 (same type asked 5 times) See all 5 of this type
11Given below are two statements: Statement I: An elevator can go up or down with uniform speed when its weight is balanced with the tension of its cable. Statement II: Force exerted by the floor of an elevator on the foot of a person standing on it is more than his/her weight when the elevator goes down with increasing speed. In the light of the above statements, choose the correct answer from the options given below:Tap an option to check your answer.
Question 4
Alternating Current. Asked once: 27 Jun 2022 (same type asked 5 times) See all 5 of this type
11The current flowing through an ac circuit is given byHow long will the current take to reach the peak value starting from zero?Tap an option to check your answer.
Question 5
Work, Energy and Power. Asked once: 31 Jan 2023 (same type asked 5 times) See all 5 of this type
15balls each of mass m moving with speed simultaneously strike a wall normally and reflected back with same speed, in time . The total force exerted by the balls on the wall isTap an option to check your answer.