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Standard XII

Physics

Friction and Vertical Circular Motion Problems

Two small met...

Question

Two small metal balls of different mass $m_{1} a n d m_{2}$ are connected by strings of equal length to a fixed point. When the balls are given charges, the angles that the two strings make with the vertical are $30^{\circ} a n d 60^{\circ}$ , respectively. The ratio $m_{1} / m_{2}$ is close to

1.7

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Solution

The correct option is A
1.7

$M_{2} g s i n 60^{\circ} = F c o s 45^{\circ} M_{1} g s i n 30^{\circ} = F c o s 45^{\circ}$

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Similar questions

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Two small metal balls of different mass m1 and m2 are connected by strings of equal length to a fixed point. When the balls are given charges, the angles that the two strings make with the vertical are 30∘and 60∘, respectively. The ratio m1/m2 is close to

The correct option is A 1.7 M2g sin 60∘=Fcos 45∘M1g sin 30∘=Fcos 45∘

Two small metal balls of different mass $m_{1} a n d m_{2}$ are connected by strings of equal length to a fixed point. When the balls are given charges, the angles that the two strings make with the vertical are $30^{\circ} a n d 60^{\circ}$ , respectively. The ratio $m_{1} / m_{2}$ is close to

The correct option is A
1.7

$M_{2} g s i n 60^{\circ} = F c o s 45^{\circ} M_{1} g s i n 30^{\circ} = F c o s 45^{\circ}$