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To What Temperature Must A Neon Gas Sample Be Heated To Double Its Pressure If The Initial Volume Of Gas At 75°c Is Decreased By 15.0% By Cooling The Gas?

Given : Initial temperature is T1 = 75°C Initial volume is V1 Initial pressure is P1 The final temperature is T2 = 273 + 75 = 348 K Now... View Article

A Stone Falls From A Cliff And Travels 24.5 m In The Last Second Before It Reaches The Ground At The Foot Of Teh Clif. Find The Height Of The Cliff.

Distance travelled in the last second of its fall is Sn = 24.5m The height of the tower is Since s = h, u = 0, a = g = 9.5 m/s h = 0 +... View Article

Which Plant Shows Chloroplast Dimorphism? (A) Rice.(B) Wheat.(C) Sugarcane.(D) Sugar Beet.

The correct answer is (C) Sugarcane. The plant sugarcane shows chloroplast dimorphism as it is a c4 plant. The presence of bundle sheath with... View Article

A Parallel Plate Capacitor Having Plates Of Area S And Plate Separation D Has Capacitance C1 In Air. When Two Dielectrics Of Different Relative Permittivities (Ε1=1 And Ε2=4) Are Introduced Between The Two Plates. The Capacitance Becomes C2. What Will Be The Ratio Of C2/C1?

Sol: They are in series, their equivalent = Therefore, the ratio of Explore more such questions and answers at BYJU’S.... View Article

Number Of Isotopes Of Carbon Is____._

The number of isotopes of carbon is 3. They are C612, C613 and C614 Isotopes refer to two or more chemical elements having the same atomic... View Article

The Equation Y 2X 3 Has

The equation y = 2x + 3 has infinitely many solutions. The line for y = 2x + 3 extends up to infinity all over the number line. For x = 0, y =... View Article

Velocity And Acceleration Vectors Of Charged Particle Moving Perpendicular To The Direction Of A Magnetic Field At A Given Instant Of Time Are V = 2i + Cj And Z = 3i + 4j Respectively. What Is The Value Of C?

Velocity is perpendicular to the acceleration. Therefore, Explore more such questions and answers at BYJU’S.... View Article

The Magnitudes Of Four Pairs Of Displacement Vectors Are Given.Which Pairs Of Displacement Vectors Cannot Be Added To A Given Resultant Vector Of Magnitude 4cm ?

The magnitude R of the resultant of two vectors A and B depends upon the magnitudes of A and B and the angle θ between them and is given by: R2... View Article

A Matrix Of Certain Characters Is Given. These Characters Follow A Certain Trend, Row-Wise Or Column-Wise. Find Out This Trend And Choose The Missing Character Accordingly.

Sol: The given matrix is 28 60 48 5 6 7 17 30 7 7 ? 16 As shown in the above matrix, the number in the middle row is three times the... View Article

Electrochemical Equivalent Of Cu In The Reaction: Cu+2 + 2e = Cu Is:

The given reaction is: Cu+2 + 2e- → Cu. Electrochemical equivalence = Equivalent mass of Cu = The value of F = 96500. ⇒ Z =... View Article

Find The Minimum Number Of Capacitors Of 2UF Each Required To Obtain A Capacitance Of 5UF.

If two capacitors are in series and two capacitors are parallel, then the equivalent capacitance will be 5 μf. If AB and BC capacitors are in... View Article

The Work Function Of Sodium Is 2.75eV. What Will Be The Kinetic Energy Of Emitted Electron When Photon Of Energy 3.54eV Is Incident On The Surface Of Sodium?

Given: The Work Function Of Sodium,Φ = 2.75eV. The photon Of Energy, hf = 3.54eV In photoelectric, the photon energy incident on the surface... View Article

What Is The Multiplicative Inverse Of 1?

The multiplicative inverse of a number is defined as when a number is multiplied by its original number; it gives the product as 1. The... View Article

Draw A Neat Labelled Diagram Of Reverberatory Furnace.

A furnace that is mainly used for the extraction of tin, copper, aluminium and nickel metals as well as in the production of certain concretes... View Article

If Rotational Kinetic Energy Is 50% Of Total Kinetic Energy Then The Body Will Be

Sol: As given: Rotational Kinetic Energy = Translational Kinetic Energy As v = Therefore, if rotational kinetic energy is 50% of total... View Article

Tone Of The Language Can Be Compromised. (True/False)

The given statement is false. The tone of the language cannot be compromised. Explore more such questions and answers at BYJU’S.... View Article

What Is Meant By Hardware In Computers?

In computer, hardware refers to all the physical parts of a computer, such as: The central processing unit (CPU), motherboard, monitor, mouse,... View Article

Respiratory Pigment Present In Cockroach Is (A) Haemozoin.(B) Haemoglobin. (C) Haemocyanin.(D) None Of These.

The correct answer is (C) Haemocyanin. The respiratory pigment of cockroaches is called hemolymph. Hemolymph is colourless fluid equivalent to... View Article

Pick Out The Concrete And Abstract Nouns From The Following: Friendship Is A Blessing. (A) Friendship, Blessing – Abstract Nouns.(B) Friendship, Blessing – Concrete Nouns. (C) Friendship – Concrete Nouns, Blessing – Abstract Nouns. (D) Friendship – Abstract Nouns, Blessing – Concrete nouns.

The correct answer is (A) Friendship, Blessing - Abstract Nouns. Explore more such questions and answers at BYJU’S.... View Article

If A Shell Fired From A Cannon, Explodes In Mid Air Then: (A) Its Total Kinetic Energy Decreases. (B) Its Total Kinetic Energy Increases. (C) Its Total Kinetic Momentum Increases. (D) Its Total Kinetic Momentum Decreases.

The correct answer is (B) Its total kinetic energy increases. If a shell fired from a cannon explodes in mid-air, then its total kinetic energy... View Article

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