Tag: Dr
Why a black body at 1000K is red hot whereas it is white hot at 2000K.
Red hot: 1000K, the peak wavelength emitted by a black body falls within visible red range making the black body appear red hot. White Hot: ... Read More
A rocket of mass, m, is fired from the earth’s surface so that it just escapes from the gravitational influence of the earth. If the radius of the earth is r, show that the velocity of escape V, is given by V =√2gr.
A rocket of mass, m, is fired from the earth’s surface so that it just escapes from the gravitational influence of the earth. If the ... Read More
Tropisms in plants
Tropic movements are growth responses towards directional stimuli. Please find free downloadable notes, exams and marking guides of agriculture, biology, Physics, chemistry etc. from digitalteachers.co.ug website. ... Read More