9. GRAVITATION
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$500\, g$ के एक मोहरबंद पैकेट का आयतन $350\, cm ^{3}$ है। पैकेट $1\, g\, cm ^{-3}$ घनत्व वाले पानी में तैरेगा या डूबेगा ? इस पैकेट द्वारा विस्थापित पानी का द्रव्यमान कितना होगा ?

Option A
Option B
Option C
Option D

Solution

Density of the $500\, g$ sealed packet $=\frac{\text {Mass of the packet}}{\text {Volume of the packet}}=\frac{500}{350}=1.428\, g / cm ^{3}$

The density of the substance is more than the density of water $(1\, g/cm^3)$. Hence, it will sink in water.

The mass of water displaced by the packet is equal to the volume of the packet, i.e., $350\, g$.

Standard 9
Science

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