Q:

Generally atomic radius is measured in which unit?

A) Fermi	B) Millimeter
C) Angstrom	D) Micrometer

Answer & Explanation Answer: C) Angstrom

Explanation:

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Filed Under: Physics
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4 9329

Q:

Improve the bracketed part of the sentence.

There is no more (accommodation) for you in this bus.

A) room	B) seat
C) space	D) no improvement

Answer & Explanation Answer: B) seat

Explanation:

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Filed Under: English
Exam Prep: Bank Exams

0 9325

Q:

The reflex angle between the hands of a clock at 11:35 is ?

A) 137.5 degrees	B) 222.5 degrees
C) 192.5 degrees	D) 330 degrees

Answer & Explanation Answer: B) 222.5 degrees

Explanation:

Apply the formula for finding the angle:
Angle=(30h-(11/2)m( where m stands for minutes and h stands for hours)
Hence, 30x11 - 11/2x35 = 330 - 192.5 = 137.5 degrees
The reflex angle = 360 - 192.5 degree = 222.5 degrees.

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Filed Under: Clock puzzles
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29 9314

Q:

A universal recipient belongs to the blood group

A) AB	B) O
C) B	D) A

Answer & Explanation Answer: A) AB

Explanation:

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Filed Under: General Awareness

44 9311

Q:

A gas absorbs a photon of 355 nm and emits at two wavelengths. If one of the emissions is at 680 nm, the other is at :

A) 518 nm	B) 1035 nm
C) 325 nm	D) 743 nm

Answer & Explanation Answer: D) 743 nm

Explanation:

$\frac{1}{λ} = \frac{1}{λ 1} + \frac{1}{λ 2}$

$\frac{1}{355} = \frac{1}{680} + \frac{1}{λ 2}$

$\frac{1}{λ 2} = \frac{680 - 355}{680 \times 355}$

$\Rightarrow λ 2 = 743 n m$ .

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Filed Under: Chemistry
Exam Prep: AIEEE

12 9309

Q:

Mithir Sen is associated with

A) Hockey	B) Swimming
C) Volley ball	D) Weighlifting

Answer & Explanation Answer: B) Swimming

Explanation:

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Filed Under: Sports

21 9304

Q:

What holds the sides of the DNA ladder together?

A) Polar covalent bonds	B) Ionic bonds
C) Metallic bonds	D) Covalent bonds

Answer & Explanation Answer: D) Covalent bonds

Explanation:

Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate.

DNA is a double-stranded molecule twisted into a helix (think of a spiral staircase). Each spiraling strand, comprised of a sugar-phosphate backbone and attached bases, is connected to a complementary strand by non-covalent hydrogen bonding between paired bases. The bases are adenine (A), thymine (T), cytosine (C) and guanine (G). A and T are connected by two hydrogen bonds. G and C are connected by three hydrogen bonds.

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Filed Under: Biology
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16 9303

Q:

Select the synonym of

panorama

A) puny	B) wee
C) diminutive	D) spectacle

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