List of top Nano Science Questions asked in Common University Entrance Test

Arrange the following events in an increasing order (calendar year)

(A) Nobel Prize in Physics for Photoelectric Effect
(B) Nobel Prize in Chemistry for Quantum Dots synthesis and Applications
(C) Nobel Prize for the invention of Scanning Tunneling Electron Microscope
(D) Nobel Prize to Max Planck for his Quantum Theory
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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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Arrange the following in the order of increasing acidic strength
(A) HCl
(B) HBr
(C) HI
(D) HF
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Arrange the following in the order of increasing wavelength
(A) Lyman
(B) Balmer
(C) Paschen
(D) Brackett
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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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If no thermal energy is developed as the charge goes through the battery, then such a battery is called

In a discharge tube electric conduction does not occur due to the movement of

The centre of negative charge distribution in a molecule may or may not coincide with the centre of the positive charge distribution. If it does not coincide, each molecule has a permanent dipole moment. Such materials are called

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

Which of the following is an example of electromagnetic waves?

Newton's law of cooling is a special case of

Explanation for occurrence of monovalency in Group 13 is given by............

Principal Quantum number represents

If an element of high electronegativity combines with an electropositive metal then the product will be

Acetophenone and Benzaldehyde can be distinguished by:
(A) Tollen's reagent
(B) DNP test
(C) Iodoform test
(D) Carbylamine test
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Which of the following is incorrect as per rules for Linear Combination of Atomic Orbitals (LCAO)?

Newton's laws of classical mechanics are replaced in quantum mechanics by.....

The packing fraction of a crystal structure is 74%. The crystal structure is

An s-orbital may combine with p-orbital provided that lobes of p-orbital are

Lyman spectral series is found in region of spectrum

The dimensions of electrical conductivity is

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

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