Question is ⇒ The core of an atom consists of, Options are ⇒ (A) nucleus, (B) nucleus and all orbits, (C) nucleus and inner orbits, (D) none of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ The core of an atom consists of, Options are ⇒ (A) nucleus, (B) nucleus and all orbits, (C) nucleus and inner orbits, (D) none of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The core of an atom consists of
A.	nucleus [Wrong Answer]
B.	nucleus and all orbits [Wrong Answer]
C.	nucleus and inner orbits [Correct Answer]
D.	none of the above [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ Unlimited number of ICs 7490, 78492 and 7493 are available. Which of these could be used to build the dividse-by-60 circuit of fi
7490
7492
combination of 7490 and 7492
combination of 7492 and 7493

⇒ A crystal is frequently used in digital circuits for timing purpose because of its
low cost
high frequency stability
simple circuitry
ability to set frequency at desired value

⇒ If D is mouth diameter of a paraboloid reflector, its directivity is proportional to
D
D²
D
D³

⇒

Match the following:

	List I		List II
A.	Digital counter	1.	Measurement of harmonics
B.	Schering Bridge	2.	Measurement of frequency
C.	Meggar	3.	Measurement of loss angle of dielectric
D.	Spectrum analyser	4.	Measurement of insulation resistance

A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-4, D-1
A-4, B-1, C-3, D-2

⇒ Dielectric materials have high specific resistance.
TRUE
FALSE

⇒

Match the following:

	List I		List II
A.	FM	1.	slope-overload
B.	DM	2.	μ law
C.	PSK	3.	Envelope detector
D.	PCM	4.	Capture effect
		5.	Hilbert transform
		6.	Matched filter.

A-5, B-1, C-6, D-4
A-4, B-6, C-1, D-5
A-4, B-1, C-6, D-2
A-6, B-3, C-4, D-2

⇒ The timing difference between a slow memory and fast processor can be resolved if
processor is capable of waiting
external buffer is used
either (a) or (b)
neither (a) nor (b)

⇒ If P = 250 W and p.f. = 0.707 lagging, Q =
250 vars
- 250 vars
176.7 vars
- 176.75 vars

⇒ Assume that x = 5 and y = 2. Then in Java operation x + = y, the result is
x = 7
x = 2
x = 3
x = 2

⇒ In a commercially available good power supply the voltage regulation is about
0.01
0.05
0.1
0.2

⇒ Consider the following program in Ba
60, 20, 20, 30, 10
10, 30, 20, 20, 60
60, 20, 30, 10, 20
60, 30, 10, 20, 20

⇒ Principle of superposition is applicable to
linear systems only
nonlinear systems only
both linear and non linear system
linear systems and some nonlinear systems

⇒ The current I_CBO
increases with increases in temperature
is normally greater for silicon transistor than germanium transistors
mainly depends on the emitter base junction bias
depends largely on the emitter doping

⇒ The term __________ applies to troposcatter propagation
fading
Faraday rotation
SIDS
atmospheric storms

⇒

Assertion (A): If an electron having charge e is revolving in an orbit of radius R and with angular velocity ω, the magnetic dipole moment of orbit is 0.5 eωR².

Reason (R): Orbital angular momentum and magnetic dipole moment are always equal.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ The VLF, LF and MF antennas are
horizontally polarized
vertically polarized
non linearly polarized
either (a) or (b)

⇒ In a CRO, the frequency of output of time base generator
is only one constant value
is adjustable
varies automatically
either (a) or (c)

⇒ In 8085, usually the vector location and the next two memory location contain a JMP instruction. This allows the programs to branch to
a longer subroutine
a shorter subroutine
a subroutine free path
none of the above

⇒ It two voltages are v₁ = 100 sin (ωt - 30°) and v₂ = cos ω t then
v₁ is leading v₂ by 30°
v₂ is leading v₁ by 30°
v₂ is leading v₁ by 60°
v₁ is leading v₂ by 60°

⇒ Metals approach superconductivity conditions
near absolute zero temperature
near critical temperature
at triple point
under the conditions of high temperature and pressure

⇒ The colour on the extreme left in general purpose fixed resistors represents
first significant digit
tolerance
wattage rating
voltage rating

⇒ The noise at the input to an ideal frequency detector is white. The detector is operating above threshold. The power spectral density of the noise at the output is
raised-cosine
flat
parabolic
Gaussian

⇒ Resistivity of semiconductors is around 100 Ω-m.
TRUE
FALSE

⇒

Assertion (A): Silicon is the most favoured semiconductor material.

Reason (R): PIV for silicon diode is more than that for germanium diode.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true but R is false
A is false but R is true

⇒ A higher directivity is specified by
high gain low BW (Beamwidth)
high gain high BW
low gain high BW
none of the above

⇒ Almost all resistors are made in a monolithic integrated circuit
during the entire diffusion
while growing the epitaxial layer
during the base diffusion
during the collector diffusion

⇒ With a variable reluctance tachometer having 60 rotor teeth the count reads 3600 counts per minute. The speed in RPM is
36
60
360
3600

⇒ For a given operating frequency a waveguide has more power handling capacity than a coaxial line.
TRUE
FALSE

⇒ The method of triggering SCS is
application of positive pulse at cathode gate or negative pulse at anode gate
application of pulse at anode gate
application of pulse at cathode gate
application of low voltage at anode

⇒ In selecting a satellite system, the First determining factor is its
EIRP
antenna size
coverage a sea
antenna gain