Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A stationary observer receives sound waves from two tuning forks, one of which approaches and the other recedes with the same velocity. As this takes place, the observer hears A stationary observer receives sound waves from two tuning forks one of which approaches and the other recedes with the same velocity. As this takes place [...]

A stationary source emits sound of frequency v = 1200 Hz. If a wind blows at the speed of 0.1c, deduce (a) the percentage change in the wavelength and (b) the change in the A stationary source emits sound of frequency v = 1200 Hz. If a wind blows at the speed of 0.1c deduce [...]

A source of sound of frequency 1000 Hz moves to the right with a speed of 32 m/s relative to the ground. To its right there is a reflecting surface moving to the left with a speed A source of sound of frequency 1000 Hz moves to the right with a speed of 32 m/s [...]

Two tuning forks A and B having a frequency of 500 Hz each are placed with B to the right of A. An observer in between the forks is moving towards B with a speed of 25 m/s. Two tuning forks A and B having a frequency of 500 Hz each are placed with B [...]

Figure shows a capacitive circuit , with a switch Sw. a. What is the potential difference between a and b when the switch is open? Figure shows a capacitive circuit with a switch Sw. a. What is the potential difference between a and b when the switch is open? November 7, 2020 Category: Uncategorised (JEE [...]

A siren emitting a sound of frequency 2000 Hz moves away from you towards a cliff at a speed of 8 m/s. (a) What is the frequency of the sound you hear coming directly from the siren. A siren emitting a sound of frequency 2000 Hz moves away from you towards a cliff at a [...]

An engine blowing a whistle of frequency 133 Hz moves with a velocity of 60 m/s towards a hill from which an echo is heard. Calculate the frequency of the echo heard by the driver. An engine blowing a whistle of frequency 133 Hz moves with a velocity of 60 m/s towards a hill from [...]

Two capacitors C1andC2 are connected with two batteries of emf ε1 and ε2. The circuit components are connected with a switch S as shown in. Initially the switch is open and the capacitors are charged. Find the heat produced when switch S is closed. C2 and C3 are arranged as shown in figure. Determine the [...]

T Two capacitors of capacitances 1μF and 2μF are charged to potential differnces 20V and 15V as shown in. If terminals B and C connected together and terminals A and D are connected with the positive and negative ends of the battery, respectively, then find the final charges on both the capacitors. C2 and C3 [...]

Three capacitors of capacitances 1μF,2μF, and 2μF, are cahrged up to the potential difference 30V,10V, and 15V, respectivly. If terminal A is connected with DC is connected with E and F is connected eith B, the find the charge flow in the ciruit and the final charge on the capacitors. 10V 2μF and 15V and [...]