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Recent questions tagged basics

How is the n value of the d sublevel of a f-block element related to the period number of the element?

asked Aug 2, 2014 by balaji.thirumalai

1 answer

How is the n value of the d sublevel of a transition element related to the period number of the element?

asked Aug 2, 2014 by balaji.thirumalai

1 answer

List these atoms in order of decreasing size: Br, Cl, Ge, K, S.

asked Jul 23, 2014 by balaji.thirumalai

1 answer

Which of the following statements is true regarding atomic radii ?

asked Jul 23, 2014 by balaji.thirumalai

1 answer

The expression relating molarity (M) and molality (m) or a solution is:

asked Jul 15, 2014 by balaji.thirumalai

1 answer

If an antenna radiates electromagnetic wave from a height of h the range of coverage d is given by where R is radius of earth

asked Mar 17, 2014 by sreemathi.v

1 answer

Which of the following statements are correct?

asked Mar 17, 2014 by sreemathi.v

1 answer

In amplitude modulation

asked Mar 17, 2014 by sreemathi.v

1 answer

Attenuation is

asked Mar 17, 2014 by sreemathi.v

1 answer

Surface wave propagation is done near the surface of earth.Surface wave propagation is sutable upto

asked Mar 17, 2014 by sreemathi.v

1 answer

Optical fibres use for transmission the principle of

asked Mar 17, 2014 by sreemathi.v

1 answer

For commercial FM transmission maximum frequency deviation allowed

asked Mar 17, 2014 by sreemathi.v

1 answer

What type of data does optical fibres carry

asked Mar 17, 2014 by sreemathi.v

1 answer

When microwave signals propagate along the curvature of the earth,the effect is called

asked Mar 17, 2014 by sreemathi.v

1 answer

If level of modulation is increased ________ power is increased

asked Mar 17, 2014 by sreemathi.v

2 answers

The range of frequency used in television broadcasting is

asked Mar 17, 2014 by sreemathi.v

1 answer

Critical frequency $\nu_c$ for ionsphere is

asked Mar 17, 2014 by sreemathi.v

1 answer

The basic radio antenna is a metal rod,the length of which is

asked Mar 17, 2014 by sreemathi.v

1 answer

Bandwidth is dependent on

asked Mar 17, 2014 by sreemathi.v

1 answer

For commercial FM-transmission maximum frequency deviation allowed is

asked Mar 17, 2014 by sreemathi.v

1 answer

In frequency modulation (FM) the

asked Mar 17, 2014 by sreemathi.v

1 answer

In which of the following remote sensing technique is not used

asked Mar 17, 2014 by sreemathi.v

1 answer

An oscillator is producing FM waves of frequency 3KHz with a variation of 9KHz what is the modulating index

asked Mar 17, 2014 by sreemathi.v

1 answer

Which element can be found in nature in the free (uncombined) state?

asked Mar 15, 2014 by meena.p

1 answer

At $STP,$ which substance is the best conductor of electricity?

asked Mar 15, 2014 by meena.p

1 answer

Atoms of elements in a group on the Periodic Table have similar chemical properties. This similarity is most closely related to the atoms'

asked Mar 15, 2014 by meena.p

1 answer

When combining with nonmetallic atoms, metallic atoms generally will

asked Mar 15, 2014 by meena.p

1 answer

Which halogens are gases at $STP?$

asked Mar 15, 2014 by meena.p

1 answer

Which element in Group 15 has the strongest metallic character?

asked Mar 15, 2014 by meena.p

1 answer

Given the following assertion and reason, choose the correct answer:

asked Mar 15, 2014 by balaji.thirumalai

1 answer

According to periodic table, which of the following elements has the smallest atomic radius?

asked Mar 14, 2014 by meena.p

1 answer

When a metal atom combines with a nonmetal atom, the nonmetal atom will

asked Mar 14, 2014 by meena.p

1 answer

Which compound forms a colored aqueous solution?

asked Mar 14, 2014 by meena.p

1 answer

Which element has the highest first ionization energy?

asked Mar 14, 2014 by meena.p

1 answer

Which three groups of the Periodic Table contain the most elements classified as metalloids (semimetals)?

asked Mar 14, 2014 by meena.p

1 answer

A AM broadcasting station has a vertical telescopic transmitting antenna and a receiver has vertical telescopic antenna.The receiver will respond to

asked Mar 14, 2014 by sreemathi.v

1 answer

SKIP ZONE in radio wave transmission is that range where

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following is not an advantage of FM over AM

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following frequency will be suitable for beyond the horizon communication using sky waves?

asked Mar 14, 2014 by sreemathi.v

1 answer

Frequencies in the UHF range are normally propagated by means of

asked Mar 14, 2014 by sreemathi.v

1 answer

Over modulation results in

asked Mar 14, 2014 by sreemathi.v

1 answer

In AM wave useful power is carried by

asked Mar 14, 2014 by sreemathi.v

1 answer

Nature of analog signal is

asked Mar 14, 2014 by sreemathi.v

1 answer

The maximum distance upto which TV transmission from a TV tower of height 'h' can be received is proportional to

asked Mar 14, 2014 by sreemathi.v

1 answer

Which of the following is/are false?

asked Mar 14, 2014 by sreemathi.v

1 answer

In amplitude modulation,the band width is

asked Mar 14, 2014 by sreemathi.v

1 answer

The main purpose of modulation is to

asked Mar 14, 2014 by sreemathi.v

2 answers

The element ununoctium belongs to

asked Mar 12, 2014 by meena.p

1 answer

The Electronic configuration of group 15 is

asked Mar 12, 2014 by meena.p

1 answer

The electron configuration of Actinides are gives as

asked Mar 12, 2014 by meena.p

1 answer

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