A Car Travels 15 M In 3 S And Then Another 15 M In 2 S. What Is The Average Speed Of The Car?
Total distance travelled by the object = 15 m + 15 m = 30 m Total time taken = 3... View Article
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A Boy Swims In A 90 M Long Pool. She Covers 180 M In One Minute By Swimming From One End To The Other And Back Along The Same Straight Path. Find The Average Speed And Average Velocity Of A Boy.
Sol: The total distance covered by a boy in 1 min is 180 m. Displacement of a boy in 1... View Article
Carbon Dioxide Is The Major Component Of Greenhouse Gases.(True/False)
True. Carbon dioxide is the major component of greenhouse gases. Greenhouse gases include CO2, HO, CH4, N2O, CFC and CO.... View Article
CO2 And O2 Balance In Atmosphere Are Due To______. (A) Respiration. (B) Leaf anatomy. (C) Photosynthesis. (D) Photorespiration.
The correct answer is (C) Photosynthesis. The balance of carbon dioxide and oxygen in the atmosphere is mainly maintained by... View Article
A Particle Moves With Constant Speed V Along A Circular Path Of Radius R And Completes The Circle In Time T. The Acceleration Of The Particle Is
As we know: \(\begin{array}{l} \vec{\Delta}s = \vec{\Delta}Q * \vec{\Delta}r\\\Rightarrow \frac{\vec{\Delta}s}{\Delta t} = \frac{\vec{\Delta}Q}{\Delta t} * \vec{\Delta}r \\\Rightarrow \vec{\Delta}v = \vec{\Delta}w... View Article
Express Dielectric Constant Of A Medium In Terms Of Capacitance What Is Its SI Unit.
The dielectric constant of a medium is defined as the ratio of the capacitance of the capacitor when filled with... View Article
A Body Is Projected Along A Rough Horizontal Surface With A Velocity Of 6 m/s. If The Body Comes To Rest After Travelling A Distance Of 9 M, The Coefficient Of Sliding Friction Is (g=10ms−2).
Friction acts as deceleration force on the body, ma = μmg a = μmg Distance travelled before coming to rest... View Article
The Total Number Of Digits Used In Numbering The Pages Of A Book Having 366 Pages Is (A) 732. (B) 850. (C) 990. (D) 1305.
The correct answer is (C) 990. Given = Total number of pages = 366 pages. Total number of digits =... View Article
Column Of Bertini In The Kidneys Of Mammals Is Formed As An Extension Of_____. (A) Pelvis In The Ureter. (B) Cortex In The Pelvis. (C) Medulla In The Pelvis. (D) Cortex In The Medulla.
The correct answer is (D) Cortex in the medulla. The column of Bertini, also known as the renal column, is... View Article
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... 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.... 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 floral parts... 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... 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... 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.
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... 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... 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... 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 \(\begin{array}{l} \overset{Ni}{\rightarrow}\end{array} \) CH3 – CH3 — This is an Addition... 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... View Article
