MHT-CET PCB 03 — MHT - CET STD 12 Science — Question

The energy spectrum of a black body exhibits a maximum around a wavelength '`lambda`'. The temperature of a black body is now changed such that the energy is maximum around a wavelength 3`lambda`/4. The power radiated by a black body will now increase by a factor of ______.

Biopharmaceuticals are proteins, hormones, antibodies, vaccines, or enzymes isolated from ______.

Ajit's mother has visited a lake & on returning home she was so excited that she jumbled up the sequence of hydrarch succession. How does Ajit arrange the sequence correctly from center to periphery?

A pipe closed at one end has length 0.8 cm. At its open end a 0.5 m long uniform string is vibrating in its second harmonic and it resonates with the fundamental frequency of the pipe. If the tension in the wire is 50 N and the speed of sound is 320 m/s, the mass of the string is ______.

In cold countries, ethylene glycol is added to the water in the radiators of cars during winter. This results in ____________ of water.

The solution of `dx/dy = (ycosy + siny)/(x(2logx + 1))` is ______

In what state is the climax community?

The phenomenon of interference is based on ______.

Which of the following has hcp crystal structure?