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0 votes0 answer254 viewsAnkit 4 Years Ago
The Mass Of An Electron Is 9.1×10–31 Kg. If Its K.E. Is 3.0×10–25 J, Calculate Its Wavelength.
CBSE DiscussionsModified 4 Year Ago Ankit
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20 votes1 answer277 viewsSneha 4 Years Ago
Calculate The Energy Associated With The First Orbit Of He+ . What Is The Radius Of This Orbit?
CBSE DiscussionsModified 4 Year Ago Sneha
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0 votes0 answer455 viewsSandhya 4 Years Ago
What Are The Frequency And Wavelength Of A Photon Emitted During A Transition From N = 5 State To The N = 2 State In The Hydrogen Atom?
CBSE DiscussionsModified 4 Year Ago Sandhya
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0 votes0 answer180 views4 Years Ago
Modified 4 Year Ago
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0 votes0 answer122 viewsSuraj 4 Years Ago
Modified 4 Year Ago Suraj
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0 votes0 answer227 viewsSonha 4 Years Ago
Calculate Energy Of One Mole Of Photons Of Radiation Whose Frequency Is 5 ×1014 Hz.
CBSE DiscussionsModified 4 Year Ago Sonha
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0 votes0 answer311 viewsSuraj 4 Years Ago
Calculate Energy Of One Mole Of Photons Of Radiation Whose Frequency Is 5 ×1014 Hz.
CBSE DiscussionsModified 4 Year Ago Suraj
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0 votes0 answer267 viewsDilip 4 Years Ago
Calculate (a) Wavenumber And (b) Frequency Of Yellow Radiation Having Wavelength 5800 Å.
CBSE DiscussionsModified 4 Year Ago Dilip
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0 votes0 answer113 viewsKashish 4 Years Ago
The Wavelength Range Of The Visible Spectrum Extends From Violet (400 Nm) To Red (750 Nm). Express These Wavelengths In Frequencies (Hz). (1nm = 10–9 M)
CBSE DiscussionsModified 4 Year Ago Kashish
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0 votes0 answer195 views4 Years Ago
The Vividh Bharati Station Of All India Radio, Delhi, Broadcasts On A Frequency Of 1,368 KHz (kilohertz).
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer123 viewsSoniya 4 Years Ago
The Number Of Electrons, Protons And Neutrons In A Species Are Equal To 18, 16 And 16 Respectively. Assign The Proper Symbol To The Species.
CBSE DiscussionsModified 4 Year Ago Soniya
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0 votes0 answer168 viewsDisha 4 Years Ago
Calculate The Number Of Protons, Neutrons And Electrons In 35 80Br.
CBSE DiscussionsModified 4 Year Ago Disha
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0 votes0 answer180 viewsArjita 4 Years Ago
Modified 4 Year Ago Arjita
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0 votes0 answer243 viewsSnjay 4 Years Ago
A Boy Standing On A Stationary Lift (open From Above) Throws A Ball Upwards With The Maximum Initial Speed He Can, Equal To 49 M S–1.
CBSE DiscussionsModified 4 Year Ago Snjay
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0 votes0 answer244 views4 Years Ago
What Do You Expect This Plot To Be During Accelerated Motion : A Straight Line Or A Parabola ?
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer336 viewsElsiha 4 Years Ago
Give The Sign Of Average Velocity For Each Interval.
CBSE DiscussionsModified 4 Year Ago Elsiha
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0 votes0 answer221 viewsSweta 4 Years Ago
Give The Signs Of Position, Velocity And Acceleration Variables Of The Particle At T = 0.3 S, 1.2 S, – 1.2 S.
CBSE DiscussionsModified 4 Year Ago Sweta
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0 votes0 answer268 viewsSweeta 4 Years Ago
Modified 4 Year Ago Sweeta
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0 votes0 answer146 viewsDisha 4 Years Ago
A Police Van Moving On A Highway With A Speed Of 30 Km H–1 Fires A Bullet At A Thief’s Car Speeding Away In The Same Direction With A Speed Of 192 Km H–
CBSE DiscussionsModified 4 Year Ago Disha
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0 votes0 answer158 viewsHarshit 4 Years Ago
Modified 4 Year Ago Harshit
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0 votes0 answer199 views4 Years Ago
A Man Walks On A Straight Road From His Home To A Market 2.5 Km Away With A Speed Of 5 Km H–1.
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer307 views4 Years Ago
Explain Clearly, With Examples, The Distinction Between :
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer179 viewsSurya 4 Years Ago
Modified 4 Year Ago Surya
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0 votes0 answer182 views4 Years Ago
Read Each Statement Below Carefully And State With Reasons And Examples, If It Is True Or False ;
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer240 viewsAkash 4 Years Ago
A Player Throws A Ball Upwards With An Initial Speed Of 29.4 Ms–1.
CBSE DiscussionsModified 4 Year Ago Akash
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0 votes0 answer272 views4 Years Ago
What Is The Period T Of The Bus Service And With What Speed (assumed Constant) Do The Buses Ply On The Road?
CBSE DiscussionsModified 4 Year Ago
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0 votes0 answer181 views4 Years Ago
Modified 4 Year Ago
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0 votes0 answer292 viewsKaushlendra 4 Years Ago
What Was The Original Distance Between Them ?
CBSE DiscussionsModified 4 Year Ago Kaushlendra
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0 votes0 answer289 viewsDev 4 Years Ago
What Is The Retardation Of The Car (assumed Uniform), And How Long Does It Take For The Car To Stop ?
CBSE DiscussionsModified 4 Year Ago Dev
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0 votes0 answer288 viewsHarsha 4 Years Ago
Modified 4 Year Ago Harsha