The temperature of an open room of volume 30 m³ increased from 17°C to 27°C due to the sunshine. The atmospheric pressure in the room remains 1x105Pa. If Ni, and Nf, are the number of molecules in the room before and after heating, then Nf - Ni will be - VgyanHub

Question:

The temperature of an open room of volume 30 m³ increased from 17°C to 27°C due to the sunshine. The atmospheric pressure in the room remains 1x105Pa. If Ni, and Nf, are the number of molecules in the room before and after heating, then Nf – Ni will be

Options :

(a) - 2.5×10^25
(b) -1.61×10^23
(c) 1.38 × 10^23
(d) 2.5×10^25

Answer :

(a) – 2.5×10^25

Answer Steps :

Step 1:

Step 2:

Step 3:

Step 4:

Video Tutorial

Related Questions

An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

A 1 µF condenser is charged to 50 V. The charging battery is then disconnected and a 10 mH coil is connected across the capacitor so that LC oscillations occur. What is the maximum current in the coil ? Assume that the circuit contains no resistance. The capacity of a pure capacitor is 1 F. In d.c. circuits, its effective resistance will be

In an a. c. circuit the instantaneous current and e.m.f. are represented as: I = I0 sin(ωt – π/6) and E = E0 sin(ωt + π /3) respectively. The voltage leads the current by

Explore Our Courses