Question Answers
Sahay Sir > Question Answers
A charge -q and another chage +q are kept at two points A and B respec tively. keeping the charge +Q fixed at B, the charge -q at A is moved to another point C such that ABC forms an equilateral triangle of side l. The net work done in moving the charge -q is
17
Sep
A charge -q and another chage +q are kept at two points A and B respec tively. keeping the charge +Q fixed at B, the charge -q at A is moved to another point C such that ABC forms an equilateral triangle of side l. The net work done in moving the charge -q is [...]
A wire of density 9×10^3 kg m^−3 stretched between two clamps 1 m apart is subjected to an extension of 4.9×10^−4 m. If Young’s modulus of the wire is 9×10^−10 N/m^2. The lowest frequency of transverse vibrations in the wire is
17
Sep
A wire of density 9×10^3 kg m^−3 stretched between two clamps 1 m apart is subjected to an extension of 4.9×10^−4 m. If Young’s modulus of the wire is 9×10^−10 N/m^2. The lowest frequency of transverse vibrations in the wire is A guitar string is 90 cm long and has a fundamental frequency of 124 [...]
A sonometer wire supports a 4 kg load and vibrates in fundamental mode with a tuning fork of frequency 416 Hz. The length of the wire between the bridges is now doubled. In order to maintain fundamental mode, the load should be changed to
17
Sep
A sonometer wire supports a 4 kg load and vibrates in fundamental mode with a tuning fork of frequency 416 Hz. The length of the wire between the bridges is now doubled. In order to maintain fundamental mode, the load should be changed to A guitar string is 90 cm long and has a fundamental [...]
A sonometre wire is vibrating in the second overtone. In the wire there are
17
Sep
A sonometre wire is vibrating in the second overtone. In the wire there are A sonometre wire is vibrating in the second overtone. In the wire there are September 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 16 - Wave Motion and Waves on a String , Part 1 ,
In the rectangle, shown below , the two corners have charges q1 = -5 muC and q2 =+ 2.0 muC. The work done in moving a charge +3.0 muC from B to A is
17
Sep
In the rectangle, shown below , the two corners have charges q1 = -5 muC and q2 =+ 2.0 muC. The work done in moving a charge +3.0 muC from B to A is In the rectangle shown below. the two corners have charges q1 = -5 muC and q2 =+ 2.0 muC. The work [...]
In Melde’s experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the string are in the ratio :
17
Sep
In Melde’s experiment in the transverse mode, the frequency of the tuning fork and the frequency of the waves in the string are in the ratio : In Melde's experiment in the transverse mode the frequency of the tuning fork and the frequency of the waves in the string are in the ratio : September [...]
Three boys are pulling a heavy trolley by means of three ropes. The boy in the middle is exerting a pull of 100 N. The other two boys, whose ropes both make an angle is 30 with the central rope,
17
Sep
Three boys are pulling a heavy trolley by means of three ropes. The boy in the middle is exerting a pull of 100 N. The other two boys, whose ropes both make an angle is 30 with the central rope, Three boys are pulling a heavy trolley by means of three ropes. The boy in [...]
In Melde’s experiment, a string of length 0.8 m and mass 1.0 g vibrates in 4 segments when the tension in the string is 0.4 kg wt. The frequency of the fork is
17
Sep
In Melde’s experiment, a string of length 0.8 m and mass 1.0 g vibrates in 4 segments when the tension in the string is 0.4 kg wt. The frequency of the fork is a string of length 0.8 m and mass 1.0 g vibrates in 4 segments when the tension in the string is 0.4 [...]
Two point charges 100 μC and 5 μC are placed at points A and B respectively with AB = 40 cm. The work done by external force in displacing the charge 5 μC from B to C, where BC = 30 cm, angle ABC = π^2 and 1 / 4πε0 = 9 × 10^9 Nm^2/ C2
17
Sep
Two point charges 100 μC and 5 μC are placed at points A and B respectively with AB = 40 cm. The work done by external force in displacing the charge 5 μC from B to C, where BC = 30 cm, angle ABC = π^2 and 1 / 4πε0 = 9 × 10^9 Nm^2/ [...]
Find the magnitude of the unknown forces if the sum of all forces is zero
17
Sep
Find the magnitude of the unknown forces if the sum of all forces is zero Find the magnitude of the unknown forces if the sum of all forces is zero September 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,