Match List-I (Spectral Series) with List-II (corresponding wave number expressions).
List-I
(Series)
List-II
(Wave number in \(\text{cm}^{–1}\))
A.
Balmer series
I.
\( R\left(\dfrac{1}{1^2}-\dfrac{1}{n^2}\right) \)
B.
Lyman series
II.
\( R\left(\dfrac{1}{4^2}-\dfrac{1}{n^2}\right) \)
C.
Brackett series
III.
\( R\left(\dfrac{1}{5^2}-\dfrac{1}{n^2}\right) \)
D.
Pfund series
IV.
\( R\left(\dfrac{1}{2^2}-\dfrac{1}{n^2}\right)\)
Choose the correct answer from the options given below:
1.
A-I, B-IV, C-III, D-II
2.
A-II, B-III, C-IV, D-I
3.
A-IV, B-I, C-II, D-III
4.
A-III, B-II, C-I, D-IV
(Series)
(Wave number in \(\text{cm}^{–1}\))
Subtopic: Spectral Series |
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Which of the following group of animals have three chambered heart?
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
1. Bufo, Alligator, Struthio
2. Chameleon, Hyla, Calotes
3. Crocodilus, pavo, Clarias
4. Exocoetus, Hemidactylus, Rana
Subtopic: Study of Amphibians | Study of Reptilia |
70%
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NEET - 2024
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The asexual spores of deuteromycetes are:
| 1. | Aplanospores | 2. | Conidia |
| 3. | Zoospores | 4. | Basidiospores |
Subtopic: Kingdom Fungi: Deuteromycetes |
79%
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There are two heaters \(A\) and \(B.\) The heater \(A\) takes time \(t_1\) to boil a given quantity of water, while \(B\) takes time \(t_2\) to boil the same quantity of water across the same supply voltage. If the two heaters are connected in series, the time taken by this combination to boil the same quantity of water will be:
| 1. | \(\large\dfrac{t_1t_2}{t_1+t_2}\) | 2. | \(t_1+t_2\) |
| 3. | \({\large\dfrac12}(t_1+t_2)\) | 4. | \(\large\dfrac{t_1t_2}{2(t_1+t_2)}\) |
Subtopic: Heating Effects of Current |
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4.74 g of an inorganic compound contains 0.39g of K, 0.27 g of Al, 1.92 g of \(\mathrm{SO_4}\) radicals and 2.16 g of water. If molar mass of the compound is \(948 \mathrm{~g} \mathrm{~mol}^{-1},\) the molecular formula of the inorganic compound is:
| 1. | \(\mathrm{{KAl}({SO}_4)_2 \cdot 12 {H}_2 {O}}\) |
| 2. | \(\mathrm{{K}_2 {Al}_2({SO}_4)_6 \cdot 12 {H}_2 {O}}\) |
| 3. | \(\mathrm{{K}_2 {SO}_4 \cdot {Al}_2({SO}_4)_3 \cdot24 {H}_2 {O}}\) |
| 4. | \(\mathrm{{K}_2 {SO}_6 \cdot {Al}_2({SO}_4)_3 \cdot12 {H}_2 {O}}\) |
Subtopic: Empirical & Molecular Formula |
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The following can be found as a zwitter ion:
| 1. | Fatty acid | 2. | Monosaccharide |
| 3. | Amino acid | 4. | Nucleic acid |
Subtopic: Element Analysis | Amino Acids |
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Which of the following is NOT an autosomal recessive disorder?
1. Sickle cell anemia
2. Phenylketonuria
3. Haemophilia
4. Thalassemia
1. Sickle cell anemia
2. Phenylketonuria
3. Haemophilia
4. Thalassemia
Subtopic: Mendelian Disorders | Mendelian Disorders: Hemophilia |
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The method used for quantitative estimation of halogens is:
1. Dumas method
2. Carius method
3. Kjeldahl's method
4. Combustion method
1. Dumas method
2. Carius method
3. Kjeldahl's method
4. Combustion method
Subtopic: Qualitative Analysis of Organic Compounds |
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If \(T_1,T_2,T_3,T_4\) and \(T_5\) represent the tension in the string of a simple pendulum when the bob is at the left extreme, right extreme, mean, any intermediate left and any intermediate right positions, respectively. Then, which of the following relations are correct?
Choose the most appropriate answer from the options given below:
| (A) | \(T_1=T_2\) | (B) | \(T_3>T_2\) |
| (C) | \(T_4>T_3\) | (D) | \(T_3=T_4\) |
| (E) | \(T_5>T_2\) | ||
| 1. | (A), (B) and (C) only | 2. | (B), (C) and (D) only |
| 3. | (A), (B) and (E) only | 4. | (C), (D) and (E) only |
Subtopic: Angular SHM |
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Subtopic: Cell Division: Mitosis (Karyokinesis) | Cell Cycle: Meiosis I |
78%
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