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What Is The Reciprocal Ratio Of 4: 9?

As we know, The reciprocal ratio of a:b = b: a. Similarly, the reciprocal ratio of 4:9 = 9:4 Explore more such questions and answers at BYJU’S.... View Article

Estimate The Change In The Density Of Water In The Ocean At A Depth Of 400m Below The Surface. The Density Of Water At The Surface =1030 Kg M−3and The Bulk Modulus Of Water = 2 × 109n M−2.

Sol: We know bulk modulus k = Here: = density of the fluid dp = change in pressure = change in density Given Now: Pressure at... View Article

The Equivalent Weight Of Bivalent Metal Is 32.7g/eq. What Is The Molecular Weight Of Its Chloride?

Atomic weight of bivalent metal = equivalent weight * valency = 32.7 * 2 = 65.4 For a bivalent metal, the formula for its chloride = MCl2 The... View Article

What Is The Refractive Index Of Alcohol?

The refractive index of alcohol is 1.36. The refractive index is the ratio of the speed of light in a vacuum to its speed in a specific medium.... View Article

When The Velocity Of A Relativistic Charged Particle Increases Its Specific Charge ______.

When the velocity of a relativistic charged particle increases, its specific charge decreases. specific charge Therefore, as the velocity... View Article

What is Columella Auris?

Columella Auris is modified hyomandibular cartilage present in the middle ear of frogs, reptiles and birds. Columella Auris is the only ear... View Article

The Total Number Of Electrons In A Nitrogen Atom And A Chlorine Atom Are 7 And 17 Respectively. Find The Number Of Valence Electrons In Them.

Nitrogen has an atomic number of 7. The electronic configuration of nitrogen(N) is 1s2,2s2,2p3 (or) 2,5. The last shell has 5 electrons. Thus... View Article

Write The Name Of Linkage Joining Two Amino Acids

The linkage, which joins two consecutive amino acid monomers, is known as peptide linkage. Large proteins are formed by linking amino acids with... View Article

If The Class Intervals Are 10-19, 20-29, 30-39…….Then The Upper Limit Of The First Class Intervals Will Be (A) 19. (B) 19.5. (C) 20. (D) 20.5.

The correct answer is (B) 19.5. Given C.I= 10-19, 20-29, 30-39..... These class intervals are not continuous. To make them continuous, we need... View Article

The Bond Angle In OF2 Out Of OF2 Cl2O Br2O Is Minimum. It Is Because In Case Of OF2: (A) Lone Pair-lone Pair Repulsion Decreases Bond Angle. (B) Electrons Are Nearer To Fluorine Due To High Electronegativity Of F Compared To Cl To Br.(C) Both (A) And (B) Are Correct. (D) None Of The Above Is Correct.

The correct answer is (B) Electrons Are Nearer To Fluorine Due To High Electronegativity Of F Compared To Cl To Br. Explore more such... View Article

A small electric dipole is placed at origin with its axis being directed along the positive x-axis. the direction of the electric field due to the dipole at a point is along the: (A) Z-axis. (B) X-axis. (C) Y-axis. (D) Line Y = X.

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

Change The Following Statement Into Passive Voice. Has Anybody Done All The Work

The passive voice of a given statement is: Has all the work been done by anybody? Explore more such questions and answers at BYJU’S.... View Article

Which Alphabet Is A Drink?

T (Tea) is the letter of the alphabet is a drink. Explore more such questions and answers at BYJU’S.... View Article

The Common Origin Of Man And Chimpanzee Is Best Shown By _____. (A) Dental Formula. (B) Binocular Vision. (C) Chromosome Number. (D) Cranial Capacity.

The correct answer is (C) Chromosome Number. Each species has a characteristic number of chromosomes differing in size and shape. Humans have... View Article

Elements With An Electron Sextet Are_____.

Element with an electron sextet lack electrons and is eager to get 2 additional valence electrons to fill its octet. In an element of a compound,... View Article

Suppose Your Writing Desk Is Tilted A Little A Book Kept On It Starts Sliding Down. What will be the direction of frictional force acting on it?

When a book slides on the writing desk, a frictional force acts between the book and the desk's surface. The direction of the frictional force in... View Article

Which Of The Following Gas Is Lighter Than Air? (A) Oxygen. (B) Ammonia. (C) Chlorine. (D) Carbon Dioxide.

The correct answer is (B) Ammonia. The vapour density of Ammonia is 8.5g, which is 0.589 times that of air. Therefore it is lighter than air.... View Article

Triple Fusion Involves (A) Fusion Of Two Polar Nuclei. (B) Fusion Of One Male Gamete With Female Gamete. (C) Fusion Of Tube Nucleus With Generative Nucleus. (D) Fusion Of The Second Gamete With Two Polar Nuclei.

The correct answer is (D) Fusion Of The Second Gamete With Two Polar Nuclei. Triple Fusion is a process involved in the sexual reproduction of... View Article

Differentiate Between Lub And Dup Sound

The sound lub-dup in a cardiac cycle is the period between the end of one heartbeat to the end of the next heartbeat is called a cardiac cycle.... View Article

According To The Aufbau Principle The Correct Order Of Energy Of 3d, 4s And 4p Orbitals Is: (A) 3d < 4s < 4p.(B) 4s < 3d < 4p.(C) 4s < 4p < 3d.(D) 4p < 3d < 4s

The correct answer is (B) 4s < 3d < 4p. According to the Aufbau principle, in the ground state of the atoms, the orbitals are filled with... View Article

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