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General
Easy
Question
A wave pulse on a string has the dimension at time 
is
The correct answer is:
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A source S emitting sound of frequency 300Hz is fixed on block A which is attached to the free end of a spring SA as shown in figure The dectector D fixed on block B attached to free end of spring SB detects this sound The blocks A and B are simultaneously displaced towards each other through a distance of 1.0m and then left to vibrate The maximum and minimum frequencies of sound detected by D, if the vibrational frequency of each block is 2Hz are (Velocity of sound v = 340m/s)
A source S emitting sound of frequency 300Hz is fixed on block A which is attached to the free end of a spring SA as shown in figure The dectector D fixed on block B attached to free end of spring SB detects this sound The blocks A and B are simultaneously displaced towards each other through a distance of 1.0m and then left to vibrate The maximum and minimum frequencies of sound detected by D, if the vibrational frequency of each block is 2Hz are (Velocity of sound v = 340m/s)
physics-General
physics-
The value of plate current in the given circuit diagram will be
The value of plate current in the given circuit diagram will be
physics-General
physics-
The truth-table given below is for which gate
The truth-table given below is for which gate
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Which gates is represented by this figure
Which gates is represented by this figure
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physics-
Which logic gate is represented by the following combination of logic gates
Which logic gate is represented by the following combination of logic gates
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physics-
The combination of the gates shown in the figure below produces
The combination of the gates shown in the figure below produces
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physics-
To get an output 1 from the circuit shown in the figure, the input must be
To get an output 1 from the circuit shown in the figure, the input must be
physics-General
physics-
Symbol 
represents
Symbol represents
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Which logic gate is represented by following diagram
Which logic gate is represented by following diagram
physics-General
physics-
This symbol represents
This symbol represents
physics-General
physics-
The given truth table is of
The given truth table is of
physics-General
physics-
A gate has the following truth table
The gate is
A gate has the following truth table
The gate is
physics-General
physics-
Sound signal is sent through a composite tube as shown in figure The radius of the semicircle is r Speed of sound in air is V The source of sound is capable to generate frequencies in the range 
If n is an integer then frequency for maximum intensity is given by
Sound signal is sent through a composite tube as shown in figure The radius of the semicircle is r Speed of sound in air is V The source of sound is capable to generate frequencies in the range If n is an integer then frequency for maximum intensity is given by
physics-General
physics-
A transverse wave is passing through a light string shown in the figure The equation of wave is 
The area of crosssection of string is A and density is ρ The hanging mass is
A transverse wave is passing through a light string shown in the figure The equation of wave is The area of crosssection of string is A and density is ρ The hanging mass is
physics-General
physics-
For the given combination of gates, if the logic states of inputs A, B, C are as follows A = B = C = 0 and A = B = 1, C = 0 then the logic states of output D are
For the given combination of gates, if the logic states of inputs A, B, C are as follows A = B = C = 0 and A = B = 1, C = 0 then the logic states of output D are
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