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An electromagnetic wave propagating along
north lies its electric field vertically upward.
The mag
VIT
If a progressive wave is represented as
`y = 3 sin pi ( t/2 -x/4)`
where `x` is in metre. and
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If `Delta(r) = |(r,r^(3)), (1,n(n+1))|` then ` sum _(r=1)^(n) Delta(r)` is equal to
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The half life for a-decay of uranium `92^ (U)^(228) ` is
`4.47 xx 10^(8)` yr. If a rock contains `6
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Caffeine has a molecular weight of `194 u`. If it
contains ` 28.9%` by mass of nitrogen, number
of
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If` N` is a set of natural numbers, then under
binary operation `a· b =a+ b, (N, ·)` is
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