An AC source is connected to the given circuit. The value of \(\phi\) will be:
1.
\(60^\circ\)
2.
\(90^\circ\)
3.
\(30^\circ\)
4.
\(45^\circ\)
Subtopic: Different Types of AC Circuits |
63%
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NEET - 2023
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Subtopic: Logic gates |
62%
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The position of a particle is given by;
\(\vec r(t)=4t\hat i+2t^2\hat j+5\hat k\)
where \(t\) is in seconds and \(r\) in metre. Find the magnitude and direction of velocity \(v(t)\), at \(t=1~\mathrm{s}\), with respect to \(x\)-axis:
\(\vec r(t)=4t\hat i+2t^2\hat j+5\hat k\)
where \(t\) is in seconds and \(r\) in metre. Find the magnitude and direction of velocity \(v(t)\), at \(t=1~\mathrm{s}\), with respect to \(x\)-axis:
| 1. | \(4\sqrt2~\text{ms}^{-1},45^\circ\) | 2. | \(4\sqrt2~\text{ms}^{-1},60^\circ\) |
| 3. | \(3\sqrt2~\text{ms}^{-1},30^\circ\) | 4. | \(3\sqrt2~\text{ms}^{-1},45^\circ\) |
Subtopic: Speed & Velocity |
77%
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NEET - 2023
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The equivalent capacitance of the arrangement shown in the figure is:
1. \(30~\mu \text{F}\)
2. \(15~\mu \text{F}\)
3. \(25~\mu\text{F}\)
4. \(20~\mu\text{F}\)
1. \(30~\mu \text{F}\)
2. \(15~\mu \text{F}\)
3. \(25~\mu\text{F}\)
4. \(20~\mu\text{F}\)
Subtopic: Combination of Capacitors |
67%
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NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List-I | List-II | ||
| (A) | Protein | (I) | C=C double bonds |
| (B) | Unsaturated fatty acid | (II) | Phosphodiester bond |
| (C) | Nucleic acid | (III) | Glycosidic bonds |
| (D) | Polysaccharide | (IV) | Peptide bonds |
| Options: | (A) | (B) | (C) | (D) |
| 1. | II | I | IV | III |
| 2. | IV | III | I | II |
| 3. | IV | I | II | III |
| 4. | I | IV | III | II |
Subtopic: Nucleic Acid | Proteins | Lipids | Carbohydrates: Glycosidic Bond & Disaccharide |
86%
From NCERT
NEET - 2023
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A certain wire \(A\) has resistance \(81\) \(\Omega\). The resistance of another wire \(B\) of the same material and equal length but of diameter thrice the diameter of \(A\) will be:
| 1. | \(81\) \(\Omega\) | 2. | \(9\) \(\Omega\) |
| 3. | \(729\) \(\Omega\) | 4. | \(243\) \(\Omega\) |
Subtopic: Derivation of Ohm's Law |
73%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Hydrarch succession | (I) | Gradual change in the species composition |
| (B) | Xerarch succession | (II) | Faster and climax reached quickly |
| (C) | Ecological succession | (III) | Lichens to mesic conditions |
| (D) | Secondary succession | (IV) | Phytoplankton to mesic conditions |
| Options: | (A) | (B) | (C) | (D) |
| 1. | IV | II | III | I |
| 2. | III | I | IV | II |
| 3. | I | IV | II | III |
| 4. | IV | III | I | II |
Subtopic: Ecological Succession (OLD NCERT) |
72%
From NCERT
NEET - 2023
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Subtopic: Flower & Parts of Flower |
82%
From NCERT
NEET - 2023
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Match List - I with List - II
Choose the correct answer from the options given below:
| List - I | List - II | ||
| (A) | Chlorophyll a | (I) | Yellow to yellow orange |
| (B) | Chlorophyll b | (II) | Yellow green |
| (C) | Xanthophyll | (III) | Blue green |
| (D) | Carotenoids | (IV) | Yellow |
| Options: | (A) | (B) | (C) | (D) |
| 1. | III | II | IV | I |
| 2. | III | I | IV | II |
| 3. | II | III | I | IV |
| 4. | IV | III | II | I |
Subtopic: Pigments |
81%
From NCERT
NEET - 2023
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Nitrates and phosphates flowing from agricultural farms into water bodies are a significant cause of:
| 1. | Eutrophication | 2. | Humification |
| 3. | Mineralisation | 4. | Stratification |
Subtopic: Water Pollution |
66%
From NCERT
NEET - 2023
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