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Range Of f(x) = sin-1 x + tan-1 x + cos-1 x is

Given: Let us calculate the domain of function f(x) function function function so, f(x) = so, f(x) = f(x) = So f(x) is... View Article

The Relative Lowering Of The Vapour Pressure Is Equal To The Ratio Between The Number: (A) Solute Molecules To The Solvent Molecules. (B) Solvent Molecules To The Total Molecules In The Solution. (C) Solute Molecules To The Total Molecules In The Solution. (D) Solvent Molecules To The Total Number Of Ions Of The Solute

The correct answer is (C) Solute Molecules To The Total Molecules In The Solution. Explore more such questions and answers at BYJU’S.... View Article

The Equivalent Weight Of Water In A Neutralization Reaction Between A Dibasic Acid And Triacidic Is

Let: The diabasic acid be Sulfuric Acid (H2SO4) The triacidic base be Metal hydroxides M(OH)3 Here the n-factor of each reactant and product... View Article

A Block Of Silver Of Mass 4kg Hanging From A String Is Immersed In A Liquid Of Relative Density 0.72. If Relative Density Of Silver Is 10, Then Tension In The String Will Be

Let, be the density of silver and liquid. Let, be the mass and volume of the silver block. In equilibrium, the sum of tension and buoyant... View Article

Using Decimal Notation Express In Metre – 5 M 13 Cm

Given: 5 m 13 cm Explore more such questions and answers at BYJU’S.... View Article

What Is The Zoological Name Of Lion?

The Zoological name of the lion is Panthera leo. Explore more such questions and answers at BYJU’S.... View Article

In Water Hyacinth And Water Lily Pollination Takes Place By (A) Wind And Water. (B) Insects Or Wind. (C) Insects And Water. (D) Water Currents Only.

The correct answer is (B) Insects Or Wind. In water hyacinth and water lily, pollination takes place by wind and insects. Both water hyacinth... View Article

Assertion: Megaspore Mother Cell Undergoes Meiosis To Produce Four Megaspores.Reason: Megaspore Mother Cells And Megaspores Both Are Haploid. (A) Both Assertion And Reason Are Incorrect. (B) An Assertion Is Correct But The Reason Is Incorrect. (C) Both Assertion And Reason Are Correct And Reason Is The Correct Explanation For Assertion. (D) Both Assertion And Reason Are Correct And Reason Is Not The Correct Explanation For Assertion.

The correct answer is (B) Assertion is correct but Reason is incorrect. Diploid megaspore mother cell is developed inside the nucellus. It then... View Article

Red Data Book Is Famous For (A) Extinct Plants Only. (B) Extinct Animals Only. (C) Extinct Plants And Animals. (D) Endangered Plants And Animals.

The correct answer is (D) Endangered Plants And Animals. The Red Data Book is a document created for recording endangered and rare species of... View Article

Calculate The Temperature Of 40 Mol Of A Gas Occupying 5 dm3 At 3.32 Bar.

From the ideal gas equation, Thus, the temperature of the gas is 50K. Explore more such questions and answers at BYJU’S.... View Article

Which Of The Following Acts As A Pickling Agent? (A) HCl.(B) HNO2. (C) HNO3.(D) H2SO4.

The correct answer is (D) H2SO4. Sulfuric acid (H2SO4) is a strong mineral acid, which is used in the process of pickling. Pickling refers to... View Article

Three Identical Capacitors C1 C2 And C3 Of Capacitance 6μf Each Are Connected To A 12 V Battery. Find The Charge On Each Capacitor.

As given in the question:Three identical capacitor of capacitance 6μF each are connected to a 12V Battery as shown below. Capacitor .... View Article

Bidders Canal Is Present In______. (A) Male Frog. (B) Male Rabbit. (C) Female Frog. (D) Female Rabbit.

The correct answer is (A) Male Frog. In male frogs, Bidder’s canal is a part of the kidney that opens into the ureter and is meant to... View Article

Evaluate: cos225° – sin225° + tan495° – cot495°

Let us consider cos 225° - sin 225° = cos (180° + 45°) - sin (180° + 45°) = - cos 45° + sin 45° = = = = Now, let us consider: tan... View Article

A Solid Of Density 5000 Kg M3 Weight 0.5 Kgf In Air. It Is Completely Immersed In Water Of Density 1000 Kg M3. Calculate The Apparent Weight Of The Solid In Water.

Density, Weight = 0.5 kg f in air mass M = 0.5 kg Volume V = M / = 0.5 / 5000 = mass of water displaced = V * density of water =... View Article

Which Of The Following Phylum Does Butterfly Belongs To? (A) Annelida. (B) Arthropoda. (C) Platyhelminthes. (D) None Of The Above.

The correct answer is (B) Arthropoda. Butterflies belong to the phylum 'Arthropoda', to which insects belong. Explore more such questions and... View Article

The Electronic Configuration Of The Element With Atomic Number29 Is

The element with Atomic number 29 is copper. The symbol of copper is Cu and its atomic mass is 63.546 u The electronic configuration of the... View Article

Arrange The Following: H2S H2O H2Se H2Te In Order Of Increasing Acidity

Increasing order of acidity is : H2O < H2S < H2Se < H2Te The acidity of hydrides increases down the group along with the decrease in... View Article

Which Of The Following Is A First-order Lever? (A) Lemon Squeezer. (B) Opening Or Closing Of A Door. (C) Handle Of A Simple Hand Pump. (D) Cutting Of Bread With A Bread Knife.

The correct answer is (C) Handle Of A Simple Hand Pump. Explore more such questions and answers at BYJU’S.... View Article

Tissue Is Formed By The Combination Of____. (A) Cells. (B) Organs. (C) Organ System. (D) None Of These.

The correct answer is (A) Cells. Tissues form by the combination of cells. Tissues are a group of cells with similar shapes and functions.... View Article

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