$A$ particle moves in a circle of radius $25 \ cm$ at two revolutions per second. The acceleration of the particle in $m/s^2$ is
- A${\pi ^2}$
- B$8{\pi ^2}$
- C$4{\pi ^2}$
- D$2{\pi ^2}$
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Similar Questions
In the following circuit,the equivalent resistance between $A$ and $B$ is ...... $\Omega$.
Match the taxonomic categories given in column $I$ with their feature given in column $II$.
Column $I$ Column $II$ $A$. Taxon $I$. Basic unit of classification $B$. Species $II$. $A$ taxonomic group of any rank $C$. Phylum $III$. Division is the same category in case of plants $D$. Genus $IV$. Identified based on a number of similar characters $E$. Order $V$. Group of related species having more characters in common with other species
| Column $I$ | Column $II$ |
| $A$. Taxon | $I$. Basic unit of classification |
| $B$. Species | $II$. $A$ taxonomic group of any rank |
| $C$. Phylum | $III$. Division is the same category in case of plants |
| $D$. Genus | $IV$. Identified based on a number of similar characters |
| $E$. Order | $V$. Group of related species having more characters in common with other species |
The line joining the points $6a - 4b + 4c$ and $-4c$ and the line joining the points $-a - 2b - 3c$ and $a + 2b - 5c$ intersect at:
In non-cyclic photophosphorylation,the electron $(e^-)$ released by $PSI$ is accepted by.......
Cuscuta is an example of
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