Day 143: MHT-CET Physics
5 questions. Try each one first, then open its answer.
Question 1
Superposition of Waves. Asked 2 times: 22 Apr 2025 S2, 15 Apr 2026 S1 See all 2 times it was asked
124The fundamental frequency of sonometer wire is Hz for some length and tension. If the length is increased by by keeping the tension same, then the frequency change of second harmonic isTap an option to check your answer.
Question 2
Units and Measurement. Asked 2 times: 13 Apr 2026 S2*, 15 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked
101The length of rod is measured by meter scale having least count cm and diameter is measured by vernier callipers having least count cm. Length of rod is cm and radius cm. The percentage error in the calculated value of the volume isTap an option to check your answer.
Question 3
Superposition of Waves. Asked 2 times: May 2022 S1*, 15 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked
122A Pipe open at one end has length m. At the open end of the tube a string m long is vibrating in its first overtone and resonates with fundamental frequency of pipe. If tension in the string is N, the mass of string is (Neglect end correction) (Speed of sound m/s)Tap an option to check your answer.
Question 4
AC Circuits. Asked 2 times: 12 May 2024 S1, 13 Apr 2026 S2 See all 2 times it was asked
138An inductor of mH, a capacitor of F and resistance are connected in series with a V ac source. If the current is in phase with the emf, the amplitude of current of the circuit is A. The value of isTap an option to check your answer.
Question 5
Dual Nature of Radiation and Matter. Asked 2 times: 10 May 2024 S1*, 13 Apr 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked
145An electron accelerated through a potential difference has a de-Broglie wavelength of . When the potential is changed to , its de-Broglie wavelength increases to . The value of is equal toTap an option to check your answer.