MCQ
Star $A$ has radius $r$ surface temperature $T$ while star $B$ has radius $4 r$ and surface temperature $7 / 2$. The ratio of the power of two starts, $P$. $: P$ is
- A$16: 1$
- B$1: 16$
- ✓$1: 1$
- D$1: 4$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$1^{st}$ Way : By using spring of smaller torsion constant.
$2^{nd}$ Way : By using a smaller coil
$3^{rd}$ Way : By using a stronger magnet
$4^{th}$ Way : By using a coil having fewer number of turns.