11
CUET UG Physics 18 Aug 2022Shift 1
MCQ (Single Correct) +5 −1
English हिन्दी
Emission of electron from the surface of metal when radiation of appropriate frequency is allowed to incident on it is called :
उपयुक्त आवृत्ति का विकिरण आपतित होने पर धातु की सतह से इलेक्ट्रॉनों के उत्सर्जन की घटना को क्या कहा जाता है :
12
CUET UG Physics 18 Aug 2022Shift 1
MCQ (Single Correct) +5 −1
English हिन्दी
An electron, an $\alpha$ particle, a proton and a deuteron have the same kinetic energy. Which of these particles has the shortest De Broglie wavelength :
एक इलेक्ट्रॉन, एक $\alpha$ कण, एक प्रोटॉन और एक ड्यूट्रॉन की गतिज ऊर्जा समान है। इनमें से किस कण की दे ब्रॉग्ली तरंगदैर्घ्य सबसे कम होगी :
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