Question is ⇒ The wave in wave guide has, Options are ⇒ (A) group velocity inversely proportional to wavelength, (B) larger frequency than in the free space, (C) diminishing wavelength than in the free space, (D) larger wavelength than in the free space, (E) , Leave your comments or Download question paper.

Question is ⇒ The wave in wave guide has, Options are ⇒ (A) group velocity inversely proportional to wavelength, (B) larger frequency than in the free space, (C) diminishing wavelength than in the free space, (D) larger wavelength than in the free space, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The wave in wave guide has
A.	group velocity inversely proportional to wavelength [Wrong Answer]
B.	larger frequency than in the free space [Wrong Answer]
C.	diminishing wavelength than in the free space [Wrong Answer]
D.	larger wavelength than in the free space [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D 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 :

⇒ An RLC series circuit has R = 30 Ω, X_L = 30 Ω and X_C = 30 W. Its impedance is
30 ∠0°.
30 ∠45°
42.42 ∠45°
90 ∠45°.

⇒ Which of the following transducers is most suitable for monitoring continuous variations in very fine thickness of a material?
Diaphragm
Capacitor
L.V.D.T.
Piezoelectric crystal.

⇒ Which of the statement is correct?
h and g matrices are inverse of each other
z and y matrices are inverse of each other
for reciprocal networks AD - BC = 1
ABCD parameters are used in transistor circuit

⇒ Status register in the 8156 is read with
IN 20 H
OUT 20 H
either (a) or (b)
none of the above

⇒ What is the address space of 8086 CPU?
One Megabyte
256 Kilobytes
1 K Megabytes
64 Kilobytes

⇒ In 8085 stack pointer is
4 bit register
8 bit register
16 bit register
32 bit register

⇒

Assertion (A): The sign and magnitude of displacement can be measured by an LVDT.

Reason (R): LVDT is based on the principle of mutual inductance.

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 R is false
A is false R is true

⇒ The colour of an object is decided by
the reflected colour
the wavelength transmitted through it
reflected colour for opaque object and wavelength transmitted through it for transparent objects
none of the above

⇒ In 8085 microprocessor, what is the length of Data Buffer Register?
6 bits
8 bits
12 bits
16 bits

⇒ In the human eye, an image persists for a time of about
1 second
0.1 second
0.05 second
0.02 second

⇒ A moving iron instrument can be used for
dc only
ac only
both dc and ac
dc and high frequency ac

⇒ The correct relation between energy and charge is
Energy = voltage/charge
Charge = Energy x voltage
Energy = voltage (charge)^0.5
Energy = voltage x charge

⇒ In Bode method of stability analysis, the error curve is not symmetric about corner frequency.
TRUE
FALSE

⇒ Which of the following produces upper and lower side frequencies?
Microphone
Demodulator in a superheterodyne receiver
Modulator in a. radio transmitter
Oscillator in a receiver

⇒ A full wave rectifier using centre tapped transformer and a bridge rectifier use similar diodes and have equal no load output voltage. Under equal load conditions
Output voltage of bridge rectifier
Output voltage of bridge rectifier will be more than that of other
Output voltage of both will be exactly equal
Output voltage of any one may be more than that of other

⇒ The reflection coefficient on a line is 0.2 ∠45°. The SWR is
0.8
1.1
1.2
1.5

⇒ The Ni-Zn ferrites are used for audio and TV transformers is that
they have large saturation magnetisation
they are easy to fabricate by rolling
they are free from pores and voids
they have high electro-resistivity

⇒ In laboratory experiment the output from reflex klystron is moderated by square wave because
it is easy to generate a square wave
crystal diode operates in square law region of i-v characteristics
it prevents frequency modulation
detector circuit is less complicated

⇒ The time constant of the circuit after the switch shown in the figure is opene
0.2 s
5 s
0.1 s
dependent on R and hence cannot be determined unless R is known

⇒ The number of valence electrons in a silicon atom is
4
2
1
0

⇒ In figure which is correct at any time t
I = i_R + i_L
I = i_R + i_L i_C
I = i_R + i_L - i_C
I = i_R - i_L - i_C

⇒ Peak inverse voltage will be highest for
half wave rectifier
full wave rectifier
bridge rectifier
three phase full wave rectifier

⇒ In end fire array the principle direction of radiation
is perpendicular to the array axis
is perpendicular to the array axis and also to the plane containing the array elements
coincides with the direction of the array
is at 45° to the direction of array axis

⇒ A small signal source v_i(t) = A cos 20t + B sin10⁶t is applied to a transistor amplifier as shown below. The transistor has β = 150 and h_ie = 3 kΩ. Which expression best approximates V₀(t<
v₀(t) = -1500 (A cos 20t + B sin 10⁶t)
v₀(t) = -150 (A cos 20t + B sin 10⁶t)
v₀(t) = -1500 B sin 10⁶t
V₀(t) = -1500 sin 10⁶t

⇒ In any two port network, input impedance is independent of load impedance.
TRUE
FALSE

⇒ The unit of loudness is
phon
sone
decibel
mel

⇒ For a push pull circuit the most favoured biasing method is
self bias
emitter bias
diode bias
collector bias

⇒ In the circuit shown, the device connected to Y5 can have address in the r
2000 - 20FF
2D00 - 2DFF
2E00 - 2EFF
FD00 - FDFF

⇒ Figure shows a chopper feeding RLE load, The free wheeling diode conducts w
thyristor is on
thyristor is off
both when thyristor is on and thyristor is off
partly when thyristor is off and partly when thyristor is on

⇒ Point out the false statem
Building, for the time, a body-stabilized geosynchronous communication satellite with its own apogee propulsion and control systems
Attitude control and station management operations for a geostationary satellite
Building launching rocket Ariane for putting APPLE in orbit
Domestic communications on an experimental basis

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math