Priyapatel

i) In expression
     I = n e AVd
whereI = Current flowing through the conductor
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In the paramagnetic and tetrahedral complex [NiCl4]2-, the nickel is in +2 oxidation state and the ion has the electronic configuration 3d8. The hybridization
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list of committees for organizing sports events:1. Committee for publicity.2. Transport committee.3. Boarding and loading committee.4. Decoration and ceremony.5

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Get CBSE, ICSE and all State Boards textbook solutions for all subjects Class 8 to 12. You can also get CBSE solved papers of previous year from here! You can also prepare for SSC. Can also test SSC, find SSC Resource centre ! You can get resources online for free for NEET, NEET previous year solved paper and JEE, JEE Previous year solved papers! Student can also find the, previous

We have given thatMolarity of solution, M = 0.20 conductivity, i.e., specific conducitivity = k = 0.248 s cm–1 = 2.48 x 10–2 ohm–1cm

घर्षण के लाभ
घर्षण के हानि


1. वस्तु की स्थिति को बनाए रखना: घर्षण किसी भी वस्तु की स्थिति तथा उसके आकार को स्थिर रखती है।
1. वस्तु में टूट तथा फूट होना-घर्षण के कारण वस्तु में हमेशा टूट तथा फूट होती रहती है, इसे बचाने के लिए हमें वस्तुओं, तेल या चिकनाई आदि का प्रयोग करना चाहिए।


2. गति में सहायता करना: घर्षण के कारण हम आराम से चल व दौड़ पाते है। धावक गति में तेजी लाने के लिए घर्षण को बढ़ाता है जैसे- स्पाइक्स (Spikes) का प्रयोग धावक द्वारा करना।
2. ऊर्जा का नुकसान: घर्षण हमारे कामो में बहुत सारी ऊर्जा को खत्म कर देता है।


3. पकड़ को मजबूत बनाना: घर्षण के कारण खिलाड़ी अपने हाथो

Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.

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The angular magnification of a compound microscope is the ratio of the angle subtended by the final image at the eye to the angle subtended by the object at the eye, when both are placed at the least distance of distinct vision.This is the required expression for angular magnification. 

Let (x, y) be any point on y = x2 + 2 at which jet is at a particular moment.∴  jet is at (x, x2 + 2)Let d be the distance between the jet at (x, x2 + 2) and solider at (3, 2).∴  d2 = (x – 3)2 + [ (x2 + 2) – 2]2 = (x – 3)2 + (x2)2∴  d2 = x4 + x2 – 6 x + 9Let f (x) = d2 = x4 + x2 – 6 x + 9f (x) = 4 x3 + 2 x – 6 = 2 (2 x3 + x – 3) = 2 (x – 1) (2 x2 + 2 x + 3)f (x) = 0 ⇒ 2 (x – 1) (2 x2 + 2 x + 3) = 0⇒ x = 1 as we reject imaginary values of x.f (x) = 12 x2 + 2At x = 1, f (x) = 12 + 2 = 14 > 0 ⇒ f (x) has a local minimum at x = 1But x = 1 is only extreme point∴ f (x) is minimum at x =

विक्रम संवत कैलेंडर चैत्र माह से आरंभ होता है। बह्म पुराण में लिखा है-‘चैत्र मासि जगत ब्रह्मा, ससर्ज प्रथमे हीन।शुक्कपक्षे समग्रे तु तदा सूर्योदये सति।।विक्रम संवत कलैंडर के महीने इस क्रम से होते हैं-चैत्र, वैशाख, ज्येष्ठ, आषाढ़, श्रवण, भादों, आश्विन, कार्तिक, मार्गशीर्ष, पौष, माघ और फालुन विक्रम संवत कलैंडर के महीने इस क्रम से होते हैं-

Let the given points be A( 1, 3) and B(2, 7).
Let the line 3x + y - 9 = 0 divides the line segment AB in the ratio K : 1 at point P. Then the co-ordinates of P are given by
Here, we havex1 = 1,    y1 = 3x2 = 2,    y2 = 7and    m1 = K    m2 = 1So, co-ordinates of P are

But P lies on 3x + y - 9 = 0.    ...(i)Substituting the values of x (abscissa) and y (ordinate) in (i), we getSo, the required ratio be (3 : 4).

Wheatstone bridge principle states that if four resistances P, Q, R and S are arranged to form a bridge as shown in the fig. below with a cell E and one way key, put between the points A and C and a galvanometer is connected in between the points B and D such that there is no current through G. The balance point is obtained when, galvanometer shows no deflection.  In this case, PQ = RS It is usually used to find the value of an unknown resistance.

Mass of carbon =12gMass of oxygen=16gMass of hydrogen= 1gMolecular mass of sugar (C12H22O11) = 12 x (At. mass of carbon) + 22 x (At. mass of hydrogen) + 11 x (At. mass of oxygen) = 12 x 12 + 22 x 1 +11 x 16 = 342 amu  Gram molecular mass of C12H22O11 = 342 g

Given,π = 0.014 atm, w = 3.5g, v = 100 ml = 0.1 L
T = 25°C = 25 + 273 = 298K, M= ?

To symbolize the equality of blacks and whites, two national anthems were sung on the day of the inauguration. One was sung by the whites and the other by the blacks.

उपभोक्ता की आय बढ़ने पर बजट रेखा का समीकरण निम्नलिखित प्रकार से बदल जाएगा:                           4x1 +  5x2 = 40इस समीकरण के अनुसार:                           4x1 + 5 x 0 = 40                                       4x1 = 40                                                                  4 x 0 + 5x2 = 40                                      5x2 = 40                                       x2 = 40/5 = 8इस प्रकार, उपभोक्ता अपनी आय से वस्तु 1 की अधिकतम 10 और वस्तु 2 की 8 इकाइयाँ खरीद सकेगा। बजट रेखा में निम्नलिखित परिवर्तन होगा:   रेखाचित्र में PQ प्रारंभिक बजट रेखा है। जब उपभोक्ता की आय 20 रूपए

RuBisCo enzymes acts as both carboxylase and oxygenase. It carries out more carboxylation in the C4 plants as these plants have special mechanism that increases the concentration of the CO2 at the enzyme site. There is no photorespiration in the C4 plants and thus oxygen does not bind to the RuBisCo enzyme. All this minimizes the oxygenase activity of the enzyme and increase the carboxylase activity. 

The figure below shows the ray diagram of an astronomical telescope in the near point adjustment. Magnifying power is given as,                      m = F0Fe1+FeD

Rigging:(i)Fraud and malpractices indulged by a party or candidate to increase its votes. (ii)It includes stuffing ballot boxes by a few persons using the votes of others; (iii)recording multiple votes by the same person; and (iv)bribing or coercing polling officers to favour a candidate.

Halogens are the most reactive elements. High reactivity is due to their low dissociation energy. Further among halogen reactivity decreases as we move down the group. So, the correct order of nucleophilicity would beI- < Br- < Cl-