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Noise Pollution Is Created If Noise Is In Excess To:(A) 40 – 65 dB.(B) 50 – 60 dB.(C) 70 – 75 dB.(D) 80 – 99 dB.

The correct answer is (D) 80 - 99 dB. The audible range for hearing the sound by the human ear is 20 Hz-20 kHz. The sounds which are above the... View Article

When Sulphur Is Boiled With Na2SO3 Solution, The Compound Formed Is (A) Sodium Sulphide. (B) Sodium Sulphate. (C) Sodium Thiosulphate. (D) Sodium Persulphate.

The correct answer is (C) Sodium thiosulphate. When sulphur is boiled with Na2SO3 solution, the compound formed is sodium thiosulphate. The... View Article

The Zygomorphic Condition Is Represented Which Symbol?

The percentage symbol (%) represents the zygomorphic condition. The zygomorphic flower has bilateral symmetry, and Zygomorphic flowers have... View Article

If Magnetic Monopoles Would Have Existed. How Would Gauss’ Law Of Magnetism Be Modified?

A magnetic monopole needs to be analogous to an electric monopole. A stationary electric monopole produces no magnetic field, so that a magnetic... View Article

What Is Magnetic Moment Of A Bar Magnet?

The magnetic moment is defined as a vector relating the aligning torque on the object from an externally applied magnetic field to the field... View Article

Which Of The Following Is The Expansion Of EBCDIC? (A) Extended Binary Coded Decimal Interchange Code. (B) Extended Binary Coded Decimal Information Code. (C) Extended Bit Comparable To Digital Interface For Computer. (D) Extended Bootable Computerised Digital Infrared Calculator.

The correct answer is (A) Extended binary coded decimal interchange code. Explore more such questions and answers at BYJU'S.... View Article

When An Object Moves In A Circular Path With Uniform Speed, Its Motion Is Called_______(A) Uniform Motion. (B) Non Uniform Motion. (C) Uniform Circular Motion. (D) None Of These.

The correct answer is (C) Uniform Circular Motion. When an object moves in a circular path with uniform speed, its motion is called uniform... View Article

Liver In Our Body Stores: (A) Vitamin A.(B) Vitamin D. (C) Vitamin B12.(D) All Of These.

The correct answer is (D) All Of These. The liver is the largest organ located in the upper right-hand portion of the abdominal cavity. The... View Article

Communication Involves The Transmission Of _________.(A) Verbal Messages. (B) Non-verbal Messages.(C)Both A And B (D) None Of These.

The correct answer is (C) Both A and B. Communication involves the transmission of verbal and non-verbal messages. Communication consists of a... View Article

CH2 = CH2 + H2 Oversetnirightarrow CH3 – CH3 Is An Addition Reaction. Complete The Following Reaction CH Equiv CH + H2 Oversetnirightarrow?

As given in the question: CH2 = CH2 + H2 CH3 - CH3 -- This is an Addition reaction. CH ≡ CH + H2 CH2 = CH2 The second reaction is also... View Article

The Shortcut Key In Tally, F2 Is Used To (A)To Change The Data. (B)To Save The Records. (C)To Change The Period. (D)To Delete The Records.

The correct answer is (C)To Change The Period. Tally Accounting is software used for accounting purposes. The shortcut key in Tally, F2, is... View Article

When Light Travels From Denser To Rarer Medium, The Velocity Of Light: (A) Decreases. (B) Increases. (C) Remains The Same. (D) None Of These.

The correct answer is (B) Increases. When light travels from denser to rarer medium, the velocity of light increases, which results in the... View Article

The Set Of Quantum Numbers N = 4, L = 0, M = 0 And S = +1/2 Corresponds To The Most Loosely Bound Ground State Electron Of Which One Of The Following Atoms?(A) Cl.(B) Cr.(C) Na.(D) Rb.

The correct answer is (B) Cr. n = 4,l = 0,m = 0,x = + 1/2 set represents that the last electron enters in a 4s orbital. Cr is the element, the... View Article

When Heated Ammonium Carbamate Decomposes As Follows: NH4COONH2(S)=2nh3(G)+Co2(G). At A Certain Temperature Starting With Reactant Only, The Equilibrium Pressure Of The System Is 0.3 Atm. Kp For The Reaction Is:

Given chemical equation is: NH4COONH2(s) →2NH3(g) + CO2(g). 2p p = 3p 3p = 0.3 p = 0.1atm. Therefore, the Kp for the reaction is... View Article

A Cyclist Turns Around A Curve At 15 Km/Hr If He Turns At Double The Speed The Tendency To Overturn Is.

We know centrifugal force F = where v = velocity of the object m= mass of the object r = turning radius As the mass and turning radius... View Article

What Is The pH Scale?

The pH scale measures the concentration of hydrogen ions or the acidity or basicity of an aqueous solution. In the pH scale, 7 is neutral, less... View Article

Cells Having Dense Cytoplasm And Large Nucleus Are Called (A) Simple tissue. (B) Permanent tissue. (C) Compound tissue. (D) Meristematic tissue.

The correct answer is (D) Meristematic tissue. The meristematic cells actively divide to form new cells; they have dense cytoplasm and a large... View Article

Which Of The Following Has Highest Atomic Radius? (A)I- (B) F-(C) Br-(D) Cl-.

The correct answer is (A)I-. The atomic radius of an element is a measure of the size of its atoms. Therefore, the larger the orbital, the... View Article

Ophthalmologists use Ishihara Charts For Detecting. (A) Fingerprints. (B) Eye Infections. (C) Night Blindness. (D) Colour Blindness.

The correct answer is (D) Colour Blindness. Explore more such questions and answers at BYJU'S.... View Article

What Do You Understand By Desire, Want And Demand?

Desire refers to the ambition or aspiration of a person. Want is a strong feeling, craving or demand of a person to possess some things. Demand... View Article

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