List-I (No. of weeks) |
List-II (Major features) |
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A. | After 4 weeks of pregnancy | I. | Eye-lids separate and eyelashes are formed |
B. | After 12 weeks of pregnancy | II. | Heart is formed |
C. | After 24 weeks of pregnancy | III. | Limbs and digits are developed |
D. | After 8 weeks of pregnancy | IV. | External genital organs are well developed |
Assertion (A): | A glass tube partially filled with water represents an open organ pipe. |
Reason (R): | The open end corresponds to an antinode and the end in contact with water, to a node. |
1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are True and (R) is not the correct explanation of (A). |
3. | (A) is True but (R) is False. |
4. | (A) is False but (R) is True. |
List-I (Application of Gauss Law) |
List-II (Value of \(|E|\)) |
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A. | The field inside a thin shell | I. | \( \dfrac{\lambda}{2 \pi \varepsilon_0 r} \hat{n} \) |
B. | The field outside a thin shell | II. | \( \dfrac{q}{4 \pi \varepsilon_0 R^2} \hat{r} \) |
C. | The field of thin shell at the surface | III. | \( \dfrac{q}{4 \pi \varepsilon_0 r^2} \hat{r}\) |
D. | The field due to long charged wire | IV. | zero |
1. | A-IV, B-III, C-I, D-II |
2. | A-I, B-II, C-III, D-IV |
3. | A-IV, B-III, C-II, D-I |
4. | A-I, B-III, C-II, D-IV |
Statement I: | The de Broglie wavelength associated with a material particle depends on its charge and nature. |
Statement II: | The wave nature of particles in sub-atomic domain is significant and measurable. |
1. | Both Statement I and Statement II are correct. |
2. | Both Statement I and Statement II are incorrect. |
3. | Statement I is correct but Statement II is incorrect. |
4. | Statement I is incorrect but Statement II is correct. |
List-I | List-II | ||
A | Saccharomyces cerevisiae | I. | Citric acid |
B. | Aspergillus niger | II. | Butyric acid |
C. | Trichoderma polysporum | III. | Ethanol |
D. | Clostridium butylicum | IV. | Cyclosporin-A |
1. | fringe width decreases. |
2. | fringe width increases. |
3. | central bright fringe becomes dark. |
4. | fringe width remains unaltered. |