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Air Contains 23 Percent Of Oxygen And 77 Percent Of Nitrogen By Weight. What Is The Percentage Of Oxygen By Volume Is

Let the mixture of air be 100g. Mass of Oxygen (O₂) in 100 g of air = 23 g The molar mass of Oxygen = 32 g If one mole of Oxygen occupies 22.4... View Article

Which Of The Following Is A Water Soluble Vitamin (A) Vitamin- A (B) Vitamin- B (C) Vitamin- D (D) Vitamin – E

The correct answer is (B) Vitamin- B Explore more such questions and answers at BYJU’S.... View Article

Find The Value Ofsin15Circ

The value of sin = = = = Therefore, the value of sin Explore more such questions and answers at BYJU’S.... View Article

Drinking A Liter Of Water In The Morning Is Called (A) Hypothalamus (B) Kidney Therapy (C) Water Therapy (D) All Of These

The correct answer is (C) Water Therapy Explore more such questions and answers at BYJU’S.... View Article

Describe The Internal Structure Of The Funaria Capsule

https://cdn1.byjus.com/wp-content/uploads/2020/02/funaria-structure.png The Funaria capsule is the terminal part of the sporophyte, which is... View Article

Give The Equations Of Two Lines Passing Through (2, 14)How Many More Such Lines Are There, And Why?

Given points = (2, 14) Therefore, x = 2 and y = 14 Then the first equation will be x + y = 2 + 14 = 16 x + y = 16 The second equation will... View Article

A solid sphere of mass m, radius r and having a moment of inertia about an axis passing through the centre of mass as I, is recast into a disc of thickness t, whose moment of inertia about an axis passing through its edge and perpendicular to its plane remains I. Then, the radius of the disc will be :

The moment of inertia of a solid sphere is The moment of inertia of a disc is The moment of inertia of a disc through its edge is... View Article

Fill In The Blank: Hampi Was The Capital Of The …… Empire

Vijayanagara Empire During 14th – 16th century CE, Hampi was the capital city of the Vijayanagara Empire Explore more such questions and... View Article

Who Is The Protector And Final Interpreter Of The Constitution

Supreme Court is the protector and final interpreter of the Constitution. Explore more such questions and answers at BYJU’S.... View Article

Which City Is Known As The “City Of Golden Gate”

San Francisco is known as the 'City Of Golden Gate' The Golden Gate connects San Francisco Bay to the Pacific Ocean, which is a strait on the... View Article

When Photons Of Energy 4.25Ev Strike The Surface Of A Metal A, The Ejected Photoelectrons Have Maximum Kinetic Energy Of K Aev And De Broglie Wavelength λA. The Maximum Kinetic Energy Of Photo Electrons Liberated From Another Metal B By Photons Of Energy 4.70Ev Is K B =(Ka −1.5)Ev. If The De Broglie Wavelength Of These Photoelectrons Is λ B=2λ A Then

De Broglie wavelength Kinetic energy K = Therefore, As Given Thus, From photo-electric effect: Work function of A =... View Article

Secondary Radial Symmetry Is Found In (A) Cnidaria (B) Jelly Fish (C)Hemichordata (D) Echinodermata

The answer is (D) Echinodermata Echinodermata are the member of the phylum Echinodermata. Adult echinoderms exhibit secondary radial symmetry... View Article

Check Whether The Following Are Quadratic Equations (X−3)(2X+1)=X(X+5)

Given equation: (x − 3)(2x + 1) = x ( x + 5) x (2x + 1) - 3 (2x + 1) = x ( x + 5) = = = = The obtained equation where a = 1, b... View Article

Deer Feminine Gender

The Feminine Gender of deer is doe The Masculine Gender of deer is buck Explore more such questions and answers at BYJU’S.... View Article

Discuss The Role Of Any Two Factors Influencing Population Change

The two primary factors influencing the population change are birth rate and death rate. Birth rate--It is the number of births per 1,000... View Article

Total Organic Matter Present In An Ecosystem Is Called

The total organic matter present in an ecosystem is called Biomass Explore more such questions and answers at BYJU’S.... View Article

Check Whether The Following Are Quadratic Equations (2X−1)(X−3)=(X+5)(X−1)

Given equation: (2x − 1)(x − 3) = (x + 5)(x − 1)[/latex] = = = = = The obtained equation where a = 1, b = -11 and... View Article

An Object Is Placed At A Distance Of 20cm From The Pole Of A Concave Mirror Of Focal Length 10cm. The Distance Of The Image Formed Is?

Given = = = = v = -20cm The distance of the image formed is-20cm and the nature of the image: Virtual Explore more such... View Article

Fill In The Blanks ALU Is _____

ALU -- Arithmetic and Logic Unit. ALU is the part of a computer processor-CPU, which carries out arithmetic and logic operations on the operands... View Article

Who Was The Propaganda Minister Of Hitler

Paul Joseph Goebbels was the propaganda minister of Hitler Explore more such questions and answers at BYJU’S.... View Article

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