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Assume, a point P from point charge q .Electrical potential, V=+50 Vdistance between the charge and point P=0.9 mWe have to find the magnitude of charge q.Pote
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The intensity of light is inversely proportional to the square of the distance.Now, since number of photoelectric emitted per second is directly proportional i
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Since the weight of an oil drop is balanced in an electric field we will have         mg=qE⇒3.2×10-13
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Initially P → 4NoQ → No Half life TP →1 minTQ = 2 minLet after time t number of nuclei of P and Q are equal i.e,
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हीरा और मोती शोषण के विरुद्ध हैं वे हर शोषण के विरुद्ध आवाज़ उठाते रहे। हालाँकि इसके लिए उन्हें प्रताड़ना सहनी पड़ी तथा बहुत कष्टो का सामना भी करना पड़ा। उन्होंने झूरी के साले गया का विरोध किया तो सूखी रोटियाँ
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Two examples:(i)The government should regularly inspect working condition  and punish the violators.
(ii)The government should monitor the activities of indiv
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Interference of light: Phenomenon of redistribution of light energy in a medium on account of superposition of light waves from two coherent sources is called
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It is said that tea was discovered in China. There was a Chinese emperor who always boiled water before drinking it. Once a few leaves of the twigs burning
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De-broglie wavelength of the particle is given by, ; where V= Accelerating potential and v is the speed of the particle. Given that, the de-broglie wavelengt
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લોકશાહી એટલે 'લોકોનું, લોકા માટે અને લોકો દ્વારા ચાલતું શાસન.' લોકશાહીમાં સામાન્ય રીતે દર પાંચ વર્ષે આપણા દેશમાં ચુંટણી યોજાય છે. તેમાં લોકો પોતાના પ્રતિનિધિઓ ચુંટી કાઢે છે. ચુંટેલા પ્રતિનિધિઓ સરકાર ઇચ્છાને ધ્યાનમાં રાખીને દેશનું શાસન ચલાવે  છે. ચૂટેલા પ્રતિનિધિઓ સરકાર રચતા હોવાથી, લોકશાહીનું સંચાલન લોકો જ કરે છે. લોકશાહીમાં દેશના બધા લોકોના હાથમાં સાર્વભૌમત્વ હોય છે. લોકશાહીમાં લોકો પોતે જ પોતાના ભાગ્યવિધાતા છે.સાર્વભૌમત્વ એ લોકશાહીનું મહત્વનું લક્ષણ છે. લોકશાહીમાં દેશના બધા લોકોના હાથમાં  સાર્વભૌમત્વ હોય છે. લોકશાહીમાં લોકો પોતે જ પોતાના ભાગ્યવિધાતા છે.
દેશના વધુમાં વધુ લોકોનું હિત સાધવું