UPSC EPFO EO/AO 2021 · Question 120

Question 120 of the UPSC EPFO EO/AO Recruitment Test 2021 (General Ability Test, Advt. 51/2020) (5 September 2021). Try it first, then check your answer and the explanation in the practice app.

EO/AO 2021 · Q120 · General Science & Computers · Physics
A hollow closed cube of side 10 cm, each weighing 200 gm, is made. This cube is placed in water with a horizontal face. How many cm of its height sinks in water if the density of water is 1 gm per cm³?
1. 1 cm
2. 1.5 cm
3. 2 cm
4. 2.5 cm
एक खोखला, बंद घन बनाया जाता है, जिसकी प्रत्येक भुजा 10 cm और वज़न 200 gm है। इस घन के क्षैतिज फलक वाले अंश को पानी में रखा जाता है। यदि पानी का घनत्व 1 gm प्रति cm³ है, तो इसकी ऊँचाई का कितना cm अंश पानी में डूब जाएगा?
1. 1 cm
2. 1.5 cm
3. 2 cm
4. 2.5 cm
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