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DUET 2021 DU MSc Botany Question paper with answer key pdf conducted on January 10, 2021 in Shift 3 is available for download. The exam was successfully organized by National Testing Agency (NTA). The question paper comprised a total of 100 questions.
DUET 2021 DU MSc Botany Question Paper with Answer Key PDFs Shift 3
| DUET 2021 DU MSc Botany Question Paper PDF | DUET 2021 DU MSc Botany Answer Key PDF |
|---|---|
| Download PDF | Download PDF |
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DUET Questions
1. A hammer of mass $200\, kg$ strikes a steel block of mass $200\, g$ with a velocity $8\, ms^{-1}$. If $23\%$ of the energy is utilized to heat the steel block, the rise in temperature of the block is (specific heat capacity of steel = $460 \; J \; kg^{-1} \; K^{-1}$)
A hammer of mass $200\, kg$ strikes a steel block of mass $200\, g$ with a velocity $8\, ms^{-1}$. If $23\%$ of the energy is utilized to heat the steel block, the rise in temperature of the block is (specific heat capacity of steel = $460 \; J \; kg^{-1} \; K^{-1}$)
- 8 K
- 16 K
- 12 K
- 24 K
2. How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?
How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?
- 990
- 900
- 9090
- 909
3. Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?
Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?
5. During the phenomenon of resonance
During the phenomenon of resonance
- the amplitude of oscillation becomes large
- the frequency of oscillation becomes large
- the time period of oscillation becomes large
- All of the above
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