How much gravitational force acts between two people of mass 60 kg each sitting at distance of 1 m apart?
2.4 × 10-7 N
2.4 × 10-8 N
2.4 × 10-9 N
2.4 × 10-6 N
F = Gm1m2 / R2
= 6.67 × 10-11 Nm2 kg-2 × 60kg × 60kg / 1m2
= 2.4 × 10-7 N
The mass to charge ratio (m/e) for a univalent cation is 1.5 × 10−8 Kg/c. Find mass of the atom.
Two point charges 3×10−6C and 8×10−6C repel each other by a force of 6×10−3N. If each of them is given an additional charge −6×106C, the force between them will be
How many mol of C atoms are present in 4×10−3 mol of glucose?
0.00024 in standard form will be-
(a) 24×10-5
(b) 2.4×103
(c) 2.4×10-4
(d) 24×10-3
At a given temperature, the equilibrium constant for reaction
PCl5(g) ⇌ PCl3(g) + Cl2(g) is 2.4 × 10−3. At the same temperature, the
equilibrium constant for reaction PCl3(g) + Cl2(g ⇌ (PCl5(g) is