Jean Baptiste De Lamarck; a French biologist postulated the "Theory Of Inheritance of Acquired Characters", also known as Lamarckism. His theory was published in French Science Journal "Philosophic Zoologique" in 1809. Lamarckism theory is based on the idea that;changes acquired or developed by theRead more
Two or more progressive waves can travel simultaneously in a medium without affecting the motion of one another. When they reach at a point, the resultant displacement of the particle at that point is equal to the vector sum of the displacements produced by each wave separately. This is obtained accRead more
Given, Velocity of wave= 100 m/s Wavelength= 20cm = 0.2m Frequency= ? Angular frequency=? Now, Velocity of wave= frequency * wave length or, 100 = frequency * 0.2 or, 100/0.2 = frequency so, frequency = 500 Hz We know, time period(T) = 1/f = 1/500 = 0.002 s Again, Angular frequency = (2*pi)/T = (2*pRead more
Given, Velocity of wave= 100 m/s Wavelength= 20cm = 0.2m Frequency= ? Angular frequency=? Now, Velocity of wave= frequency * wave length or, 100 = frequency * 0.2 or, 100/0.2 = frequency so, frequency = 500 Hz We know, time period(T) = 1/f = 1/500 = 0.002 s Again, Angular frequency = (2*pi)/T = (2*pRead more
Given, Number of cells(n)=6 Emf of each cell(Ee)=1.5 V Internal resistance of each cell(re)=1 ohm External resistance(R)=39 ohm Current(I)=? Potential difference(P.d)=? Now, Total internal resistance(r)=n*re=6*1=6 ohm Total Emf (E)= n*Ee=6*1.5= 9 V Total resistance of circuit = R+r = 39+6 = 45 ohm HRead more
As soon as the switch is made on, an electric field is established in circuit,causing at every point a local electric drift. Hence, current in the circuit is established almost instantly when the switch is made on and the bulb also lights up instantly. this implies that information for the flow of cRead more
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Zoology
Prasiddhi Dhungana
Jean Baptiste De Lamarck; a French biologist postulated the "Theory Of Inheritance of Acquired Characters", also known as Lamarckism. His theory was published in French Science Journal "Philosophic Zoologique" in 1809. Lamarckism theory is based on the idea that;changes acquired or developed by theRead more
Wave motion
Prasiddhi Dhungana
Two or more progressive waves can travel simultaneously in a medium without affecting the motion of one another. When they reach at a point, the resultant displacement of the particle at that point is equal to the vector sum of the displacements produced by each wave separately. This is obtained accRead more
English
Prasiddhi Dhungana
The letter is being written by Sita.
Order them correctly and complete the sentence
Prasiddhi Dhungana
Ram sang very well at the club last evening.
Wave
Prasiddhi Dhungana
Given, Velocity of wave= 100 m/s Wavelength= 20cm = 0.2m Frequency= ? Angular frequency=? Now, Velocity of wave= frequency * wave length or, 100 = frequency * 0.2 or, 100/0.2 = frequency so, frequency = 500 Hz We know, time period(T) = 1/f = 1/500 = 0.002 s Again, Angular frequency = (2*pi)/T = (2*pRead more
Wave
Prasiddhi Dhungana
Given, Velocity of wave= 100 m/s Wavelength= 20cm = 0.2m Frequency= ? Angular frequency=? Now, Velocity of wave= frequency * wave length or, 100 = frequency * 0.2 or, 100/0.2 = frequency so, frequency = 500 Hz We know, time period(T) = 1/f = 1/500 = 0.002 s Again, Angular frequency = (2*pi)/T = (2*pRead more
IQ
Prasiddhi Dhungana
"Teapot"
Electromotive force (Current electricity)
Prasiddhi Dhungana
Given, Number of cells(n)=6 Emf of each cell(Ee)=1.5 V Internal resistance of each cell(re)=1 ohm External resistance(R)=39 ohm Current(I)=? Potential difference(P.d)=? Now, Total internal resistance(r)=n*re=6*1=6 ohm Total Emf (E)= n*Ee=6*1.5= 9 V Total resistance of circuit = R+r = 39+6 = 45 ohm HRead more
Electric current
Prasiddhi Dhungana
As soon as the switch is made on, an electric field is established in circuit,causing at every point a local electric drift. Hence, current in the circuit is established almost instantly when the switch is made on and the bulb also lights up instantly. this implies that information for the flow of cRead more
IQ
Prasiddhi Dhungana
He weighs meat.