Question
A spherical black body with a radius of 8 cm radiates
450-watt power at 500 K. If the radius were halved and the temperature doubled, the power radiated in watts would be:Solution

Rajasthan's first 'solar lift plant' will be built on which river?
Where did Lord Wellesley establish Fort William Collage 1800 AD?
What is the literacy rate of Lakshadweep as per the 2011 Census?
According to National Family Health Survey 5, which of the following states has the highest percentage of employed women?
As the bomb exploded, students ran helter-skelter .
Palas, Prathiharas and Rashtrakutas participated in warfare for the control of which of the following cities?
Match the following correctly.

How is the Village Naluvedapathy in Tamil Nadu region escaped from major disaster during 2004 tsunami?
Which of the following constitute a food chain?
Rajasthani Language Day' is celebrated on-