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Find the square roots of 6084 by the division method.

The division is as follows. √6084 = √2 * 2 * 3 * 3 * 13 * 13 √6084 = 2 * 3 * 13 = 78... View Article

A balloon that always remains spherical has a variable radius. The rate at which its volume is increasing is mπ cm² with the radius when the latter is 10 cm. Find m.

Volume of the sphere = (4 / 3) πr3 The rate of change of volume with respect to the radius = dV / dr = d [(4 / 3) πr3] / dr = (4 / 3) π... View Article

In a lottery of 50 tickets numbered 1 to 50, two tickets are drawn simultaneously. The probability that both the tickets are drawn have prime numbers is

The number of prime numbers between 1 to 50 is 15. The probability of getting a prime number in the first draw will be = 15 / 50 If 1 card is... View Article

Which Of The Following Layers Of The Atmosphere Is Free From Clouds? (A) Mesosphere (B) Troposphere (C) Stratosphere (D) Thermosphere

The correct answer is (C) Stratosphere. Clouds are formed when the presence of invisible water vapour in the air condenses into visible water... View Article

The Ratio Of One Micron To One Nanometre Is A. 10−1 B. 103 C. 10-3 D. 10−6

The correct answer is B. Therefore, the ratio of one micron to one nanometer is Explore more such questions and answers at... View Article

Which Cell Organelles Is Involved In Protein Synthesis

Ribosomes are specialized cell organelles, mainly involved in the synthesis of proteins, required for many cellular activities, including cell... View Article

Paraffin Wax Is Used For Making (A) Candles (B)Greases (C) Vaseline (D) All Of These

The correct answer is (D) All Of These Paraffin wax is also called petroleum wax. It is a soft, odourless, colourless, tasteless, and waxy solid... View Article

What is the correct sequence of sperm formation? (A) Spermatogonia→ Spermatocyte→ Spermatid→ Spermatozoa. (B) Spermatogonia→ Spermatozoa→ Spermatocyte→ Spermatid. (C) Spermatogonia→ Spermatocyte→ Spermatozoa→ Spermatid. (D) Spermatid → Spermatocyte → Spermatogonia → Spermatozoa

The correct answer is (A) Spermatogonia→ Spermatocyte→ Spermatid→ Spermatozoa. Explore more such questions and answers at BYJU’S.... View Article

Identify The Wrong Pair From The Following. A. Yeast- Budding B. Euglena-binary Fission C. Hydra- Multiple Fission D. Spirogyra- Fragmentation

The correct answer is C. Hydra- Multiple Fission. In the above-given options, the different modes of reproduction are paired with their... View Article

Teichoic Acid Is Present In Which Component Of Bacteria. A. Flagella B. Cell Wall C. Outer Membrane D. Plasma Membrane

The correct answer is B. Cell Wall Teichoic acids are found within the cell wall of Staphylococcus, Streptococcus, Bacillus, Clostridium, and... View Article

Who Was The First Martyr Of Freedom Struggle Revolt 1857

Mangal Pandey was the first martyr of the freedom struggle Revolt 1857. He was an infantryman in the 34th Bengal Native Infantry. Explore more... View Article

Part Of Earth Covered By Water Is A.50% B.71% C.87% D.92%

The correct answer is B.71% Water makes up about 71% of the Earth's surface, among which about 96% of water is present in oceans as salt water,... View Article

The Thermal Stability Of Hydrides Of Oxygen Family Is In Order:(A)H2O

The correct answer is (D)H2Po < H2Te < H2Se < H2S < H2O Explore more such questions and answers at BYJU’S.... View Article

C1 + 4C2 + 7C3 + …… + (3N – 2) Cn = _______

Given: Therefore, Explore more such questions and answers at BYJU’S.... View Article

Give Two Examples For Acidic Buffer

An example of an acidic buffer solution: A mixture of sodium acetate and acetic acid A solution containing a weak acid and its salt with a... View Article

Vinegar Is A Solution Of______

Vinegar (CH₃COOH) is an aqueous solution of 5–8% acetic acid and trace compounds, including flavourings. Vinegar is the fermentate of... View Article

Cost Of Capital For Bonds And Debentures Is Calculated On______

Cost of Capital for Bonds and, Debentures is calculated after-tax basis. Explore more such questions and answers at BYJU’S.... View Article

The Innermost Layer Of Cortex Is______

The answer is endodermis. The innermost layer of the cortex is called the endodermis. The cortical layer comprises barrel-shaped cells of... View Article

What Is Rhytidome

Rhytidome refers to old and dead phloem or a dead tissue separated by periderm outside the bark. Rhytidome also refers to external or outer bark... View Article

An object 2.4 m in front of a lens forms a sharp image on a film 12 cm behind the lens. a glass plate 1 cm thick, of refractive index 1.50 is interposed between lens and films with its plane faces parallel to film. at what distance (from lens) should object shifted to be in sharp focus on film?

As given: u = -2.4m = −240cm ; v = 12cm Accoring to the lens formula: = = When a glass plate is interposed between lens and film,... View Article

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