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Content Curator | Updated On - Jul 2, 2024
JEE Advanced 2020 Question Paper with answer key PDFs are provided here. Candidates rated the paper moderately difficult. According to the candidates, the Chemistry paper was easy to moderate, the Physics paper was moderate but the Mathematics paper was relatively difficult.
JEE Advanced 2020 Questions Paper with Answer key
Paper | Question Paper Link |
---|---|
Paper 1 | Check Here |
Paper 1 (Hindi) | Check Here |
Paper 2 | Check Here |
Paper 2 (Hindi) | Check Here |
JEE Advanced 2020 Questions
1. A disc of mass \(M\) and radius \(R\) is free to rotate about its vertical axis as shown in the figure. A battery operated motor of negligible mass is fixed to this disc at a point on its circumference. Another disc of the same mass \(M\) and radius \(R/2\) is fixed to the motor’s thin shaft. Initially, both the discs are at rest. The motor is switched on so that the smaller disc rotates at a uniform angular speed \(\omega\). If the angular speed at which the large disc rotates is \(\omega/n\), then the value of \(n\) is _____
![Alternative_Text](https://images.collegedunia.com/public/qa/images/content/2024_05_28/9i_d1d8fb141716869655370.png)
![Alternative_Text](https://images.collegedunia.com/public/qa/images/content/2024_05_28/9i_d1d8fb141716869655370.png)
2. A closed vessel contains 10 g of an ideal gas X at 300 K, which exerts 2 atm pressure. At the same temperature, 80 g of another ideal gas Y is added to it and the pressure becomes 6 atm. The ratio of root mean square velocities of X and Y at 300 K is
- 2√2:√3
- 2√2:1
- 1:2
- 2:1
3. Let \(k\in R\). If \(\)\(\)\(\)\(\lim\limits_{x→0+}(\sin(\sin kx)+\cos x+x)^{\frac{2}{x}}=e^6\), then the value of k is
- 1
- 2
- 3
- 4
4. In the following reaction sequence, the major product Q is
\(\text{L-Glucose}\xrightarrow[ii)Cr_2,775K,10-20 \text{atm}]{i)HI, \Delta}P\xrightarrow[UV]{Cl_2(excess)}Q\)
\(\text{L-Glucose}\xrightarrow[ii)Cr_2,775K,10-20 \text{atm}]{i)HI, \Delta}P\xrightarrow[UV]{Cl_2(excess)}Q\)
5. The option(s) with correct sequence of reagents for the conversion of P to Q is(are)
![The option(s) with correct sequence of reagents for the conversion of P to Q is](https://images.collegedunia.com/public/qa/images/content/2024_05_28/Screenshot_ae6215f91716890852862.png)
![The option(s) with correct sequence of reagents for the conversion of P to Q is](https://images.collegedunia.com/public/qa/images/content/2024_05_28/Screenshot_ae6215f91716890852862.png)
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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