List of top Nano Science Questions on Nano-technology and Applications

Which of the following is an example of electromagnetic waves?

Arrange the following in the order of increasing wavelength
(A) Lyman
(B) Balmer
(C) Paschen
(D) Brackett
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Two isotonic solutions cannot have the same value of

For the given carbon resistor, the resistance is \(2.4 \times 10^6 \, \Omega\). The sequence of colours in the strips provided on resistor is

Which of the following are three-terminal devices?

(A) Zener diode
(B) Photodiode
(C) Bipolar Junction Transistor
(D) Field Effect Transistor
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…………is the breaking down of long chain hydrocarbons into smaller molecules.

A dielectric slab is inserted between the plates of an isolated capacitor. The force between the plates will

Malignant cancer cells have all of the following properties except

Arrange the following components in the order of their function in power supply

(A) Voltage regulator
(B) Rectifier
(C) Transformer
(D) Filter
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SI unit of pressure is

The laws of reflection and refraction are true for all surfaces and pairs of media at the

Millikan's famous oil drop experiment established that

Reduction has taken place if a substance......

Acetophenone and Benzaldehyde can be distinguished by:
(A) Tollen's reagent
(B) DNP test
(C) Iodoform test
(D) Carbylamine test
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Superoxide dismutase is involved in the conversion of

Newton's law of cooling is a special case of

Which of the following is the most reactive aldehyde towards nucleophilic addition reactions?

Arrange the following in the order of increasing acidic strength
(A) HCl
(B) HBr
(C) HI
(D) HF
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The genetic material in retroviruses are

Arrange the following metals in the order of increasing work function
(A) Potassium (K)
(B) Cesium (Cs)
(C) Platinum (Pt)
(D) Calcium (Ca)
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An aromatic compound will
(A) have (4n+2) \(\pi\) electrons
(B) be conjugated
(C) be planar
(D) be cyclic
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Which of the following is incorrect about racemic mixture?

Widal test is designed specifically for the diagnosis of

Barr body is found in

Which of the following is not a characteristic of a catalyst?