Galvanic Cell 1. It is a device to convert chemical energy into electrical energy, i.e., electrical energy is produced as a result of the redox reaction taking place. Hence, free energy change (ΔG) is negative. 2. It is based upon the redox reaction which is spontaneous. 3. Two electrodes are usually set up in two…
After going through we can list some data as, distance d = 170 m To find a) speed v = ? b) distance d= ? Solution – a)its given that girl makes 60 claps in one minute hence she makes 1 clap in 1 sec therefore we can say that …
Going through the sums, we can list the given quantities as, speed v= 1500 m/s time in which the signal is recieved back after hitting the shoal, i.e time for going+time for coming back i.e 2t = 0.45 s therefore t = 0.225s To find distance d = ? Solution – velocity, distance and time can be…
We can list the given data as, frequency n = 170Hz wavelength λ = 2m To find speed v = ? Solution – velocity , frequency and wavelength is connected by the formula v = n x λ v = 170 x 2 v = 340 m/s The speed of sound is 340m/s
After going through the question, we can list the data as velocity v= 340m/s wavelength λ = 1.7m To find a) frequency n = ? b) period T = ? Solution – velocity can be written as v = n x λ n = v / λ n = 340…
The wait of HSC student is finally . Maharashtra State Board have declared the date for the result of the HSC Exam held in Feb-Mar 2023. The result of HSC will be declared on 25 May 2023 at 2pm. It can be checked on various links that are given below Click on any of the link below www.hscresult.mkcl.org…
After going through the question we can list some data as height h=200m density ρ = 1060 kg/m³ Atmospheric pressure P₀ = 1.013 x 10⁵ N/m² acceleration due to gravity g = 9.8m/s² To find, Pressure below 200m P = ? Solution – Absolute pressure , P = P₀ + ρgh P = 1.013 x…
After going through the question, we can list some data as, workdone dW = 2000J isothermal process dU = 0 To find , Heat added dQ = ? Solution – From first law of thermodynamics we have dQ = dU + dW In the question it is given that the gas is taken through isothermal…
As per the given question, we can list out the given quantity Length L = 100 cm = 1m, mass m = 50 g = 50 x $10^{-3}$ kg displacement x = 3 cm = 0.03m , g = 9.8 m/$s^2$ To find = Restoring force, F = ? Solution – Restoring force, F =mg…
The method that we using here is of energy conservation. Let us assume the mass of the object as m kg Since the object is placed at height of 20 m above the ground, it possess potential energy . It is given by PE = m x g x h = 20 mg Let us…
