Give the order of the following :
(a) 1
(b) 1000
(c ) 499
(d) 500
(e) 501)
(f) 1 AU `(1.496 xx 10^(11) m)`
(g) 1 Å `(10(-10)m )`
(h) Speed of light `(3.00 xx 10^(8) m//s)`
(i) Gravitational constant `(6.67 xx 10^(-11) N-m^(2)//kg^(2))`
(j) Avogadro constant `(6.02 xx 10^(23) mol^(-1))`
(k) Planck's constant `(6.63 xx 10^(-34) J-s)`
(l) Charge on electron `(1.60 xx 10^(-19) C)`
(m) Radius of H - atom `(5.29 xx 10^(-11)m)`
(n) Atmospheric pressure `(1.01 xx 10^(5) Pa)`
(o) Mass of earth `(5.98 xx 10^(24)kg)`
(p) Mean radius of earth `(6.37 xx 10^(6)m)`

Explanation

(a) 0 (b) 3 (c) 2 (d) 3 (e) 3 (f) 11 (g) -10 (h) 8
(i) -10 (j) 24 (k) -33 (k)-33 (l) -19 (m) -10 (n) 5) (o) 25 (p) 7