Archives

High Classification Accuracy Always Indicates A Good Classifier. True Or False

The given statement is false If the classification is of the highest accuracy, it does not mean the classifier is of overall good quality and... View Article

A Car Travels Along A Straight Line For First Half Time With Speed 40Km/Hr And The Second Half Time With Speed 60Km/Hr. Find The Average Speed Of Car.

Given: Speed 1 = 40 Km/h Speed 2 = 60 Km/h Let the total time be t For the first half time (t/2), the car travels At the speed of 40 Km/h... View Article

A Particle Moves In A Potential Region Given By U=8X2−4X+400J. Its State Of Equilibrium Will Be− (A)0.25M (B) 8M (C) 10 M(D) 12M

The correct answer is (A)0.25M Given: Differentiate with dx; we will get F F = 16x - 4 At equilibrium F=0 0 = 16x - 4 x = 1/4 = 0.25m... View Article

A Swimming Pool Is 20M In Length, 15M In Breadth And 4M In-Depth. Find The Cost Of Painting Its Four Walls At The Rate Of Rs. 20 Per Square Metre.

Given: Length = 20m Breadth = 15m Height = 4m The Area of floor = Length × Breadth The Area of walls = 2 (Lh + Bh)... View Article

BF3 Is _______ (A)Lewis Acid (B) Ionic Compound(C) Electron Deficient Compound.(D)Both (A) And (C)

The correct answer is (D)Both (A) And (C) BF3 is Lewis acid. The boron in BF3 is electron-deficient and has an empty orbital. Hence it accepts... View Article

For The Reaction: H2 + Cl2 ⟶Sunlight 2Hcl The Order Of Reaction Is (A) 0 (B) 1 (C) 2 (D) 3

The given reaction is The order of reaction is 0. The order of all photochemical reactions is zero as it does not depend upon the... View Article

In a medium of refractive index 1.6 and having a convex surface has a point object in it at a distance of 12 cm from the pole. The radius of curvature is 6 cm. Locate the image as seen from air a) A Real image At 30cm b) A real image at 4.28cm c) A virtual image of 30cm d) A virtual image at 4.28cm

Using the relation = Where: R = -6cm Let the distance be ν. The distance of the object u = -1.2cm Since ν is −30 cm, it... View Article

Show That Displaystyle Frac Sin X Cos 3X Frac Sin 3X Cos 9X Frac Sin 9X Cos 27X Frac1/2 [Tan 27X Tan X]

Given: . Sol: . multiplying and dividing by 2.: . multiplying and dividing by cos x, cos 9 x, cos27 respectively and simplifying: .... View Article

A circular coil of n turns and radius r carries a current i. it is unwound and rewound to make another coil of radius r/2 current I remaining the same. calculate the ratio of the magnetic moments of the new coil and the original coil.

Area of the coil initially, Initial magnetic moment, Length of the coil initially, L = L= Radius of new coil formed, Let the number of... View Article

M	T	W	T	F	S	S
			1	2	3	4
5	6	7	8	9	10	11
12	13	14	15	16	17	18
19	20	21	22	23	24	25
26	27	28	29	30	31

Archives

High Classification Accuracy Always Indicates A Good Classifier. True Or False

A Car Travels Along A Straight Line For First Half Time With Speed 40Km/Hr And The Second Half Time With Speed 60Km/Hr. Find The Average Speed Of Car.

A Particle Moves In A Potential Region Given By U=8X2−4X+400J. Its State Of Equilibrium Will Be− (A)0.25M (B) 8M (C) 10 M(D) 12M

A Swimming Pool Is 20M In Length, 15M In Breadth And 4M In-Depth. Find The Cost Of Painting Its Four Walls At The Rate Of Rs. 20 Per Square Metre.

BF3 Is _______ (A)Lewis Acid (B) Ionic Compound(C) Electron Deficient Compound.(D)Both (A) And (C)

For The Reaction: H2 + Cl2 ⟶Sunlight 2Hcl The Order Of Reaction Is (A) 0 (B) 1 (C) 2 (D) 3

In a medium of refractive index 1.6 and having a convex surface has a point object in it at a distance of 12 cm from the pole. The radius of curvature is 6 cm. Locate the image as seen from air a) A Real image At 30cm b) A real image at 4.28cm c) A virtual image of 30cm d) A virtual image at 4.28cm

Show That Displaystyle Frac Sin X Cos 3X Frac Sin 3X Cos 9X Frac Sin 9X Cos 27X Frac1/2 [Tan 27X Tan X]

A circular coil of n turns and radius r carries a current i. it is unwound and rewound to make another coil of radius r/2 current I remaining the same. calculate the ratio of the magnetic moments of the new coil and the original coil.

Simplify 2 root 3 + root 3.

Find 12 (1/2) percent of 64 with an explanation.

Evaluate the following using suitable identities : a) (99)cube b) (102) cube c) (998)cube

Write two prime numbers whose difference is 10.

Write a table of 16, 17 and 18.

State and prove Pythagoras theorem.

Write the converse of Pythagoras theorem and prove it.

Expand log 15.

1 Kg is equal to how many grams?

Examples of reflex angle in real life.

What is the HCF of 15 and 20 and how?

FREE TEXTBOOK SOLUTIONS