1 KWh= A. 36xx10^6J B. 3.6xx10^6 J C. 0...

1 KWh=_______ A. `36xx10^6J` B. `3.6xx10^6 J ` C. `0.36xx10^6 J ` D. `3.6 J `

`36xx10^6 J`

`3.6xx10^6 J`

`36xx109 J`

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1 mA=_____ A. 10 − 6 A B. 10 − 3 A C. 10 6 A D. 10 3 A

If the gas pressure is 6 xx 10^5 dyne //cm^2 , then its K.E. per cubic cm will be........ A. 6 xx 10^5 erg B. 4 xx 10^5 erg C. 9 xx 10^5 erg D. 12 xx 10^5 erg

Show that (1 kWh = 3.6 xx 10^6J ).

Calculate the K.E, P.E, Total energy and Binding energy of an artificial satellite of mass 2000kg orbiting at a height of 3600 km above the surface of the earth Given: G = 6.67 xx 10^-11 Nm^2//kg R= 6400 km= 6.4 xx 10^6 m M= 6 xx 10^24 kg m = 2000 kg h = 3600 km = 3.6 xx 10^6 m

True or false 1kWh=3.6xx10^9 J

The number of photons falling per second on a completely darkened plate to produce a force of 6.62xx10^-5N is 'n'. If the wavelength of the light falling is 5xx10^-7 m, then n= __________ xx10^22. (h=6.62 xx10^-34 J-s )

Find the period of revolution of electron in the second orbit in the hydrogen atom and hence find period of revolution of the electron in the third orbit of hydrogen atom. epsilon_0 = 8.85 xx 10^-12 C^2// Nm^2, h=6.63 xx^-34 J-s, m=9.xx10^-31 kg, e =1.6 xx 10^-19 C .

An electron is moving with a speed of 3 xx 10^7m//s in a magnetic field of 6 xx 10^-4 T perpendicular to its path. What will be the radius of the path? What will be the frequency and the energy in keV? Given: mass of electron = 9 xx 10^-31 kg , charge e = 1.6 xx 10^-19C , lev = 1.6 xx 10^-19 J .

Solve the following examples / numerical problems: What will be the gravitational force on 60 kg man on the Moon,Mars and jupiter ? Are they the same ? why ? M (Moon) = 7.36xx10^22 kg, R (Moon)= 1.74 xx 10^6 m. M (Mars) = 6.4xx 10^23 kg, R (Mars) = 3.395 xx10^6 m, M (Jupiter)=1.9xx10^27 kg. R (Jupiter) = 7.15xx10^7m. G=6.67 xx10^-11 N-m^2 / kg^2.

CHETANA PUBLICATION-MODEL ACTIVITY SHEET-Exercise

1 KWh= A. 36xx10^6J B. 3.6xx10^6 J C. 0.36xx10^6 J D. 3.6 J
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