1. What is removed in emasculation?
Corolla
Gynoecium
Androecium
Bract
2. There is Q \mathrm{Q} Q charge at the center of a circle of radius r \mathrm{r} r. What is the work done to complete one full rotation along its circumference?
qQ4πϵ0r \frac{q Q}{4 \pi \epsilon_{0} r} 4πϵ0rqQ
qQ4πϵ02r2 \frac{q Q}{4 \pi \epsilon_{0}^{2} r^{2}} 4πϵ02r2qQ
qQ4πf0r2 \frac{q Q}{4 \pi f_{0} r^{2}} 4πf0r2qQ
0\text{0}0
3. If de-Brogli wavelength of an electron is 1.5×10−12 m 1.5 \times 10^{-12} \mathrm{~m} 1.5×10−12 m then what is its momentum?
4.42×10−22kgms−1 4.42 \times 10^{-22} \mathrm{kgms}^{-1} 4.42×10−22kgms−1
4.42×10−21kgms−1 4.42 \times 10^{-21} \mathrm{kgms}^{-1} 4.42×10−21kgms−1
4.42×10−23kgms−1 4.42 \times 10^{-23} \mathrm{kgms}^{-1} 4.42×10−23kgms−1
4.42×10−24kgms−1 4.42 \times 10^{-24} \mathrm{kgms}^{-1} 4.42×10−24kgms−1
4. What is the average of log4 \log 4 log4 and log16? \log 16 ? log16?
log10 \log 10 log10
log8 \log 8 log8
log6 \log 6 log6
000
5. How many molecules are there in lg \mathrm{lg} lg water?
3.346×1022 3.346 \times 10^{22} 3.346×1022
6.023×1023 6.023 \times 10^{23} 6.023×1023
2.989×1023 2.989 \times 10^{23} 2.989×1023
181818