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bihar board model paper 2021

class 10th science objective question 2021 | मैट्रिक परीक्षा 2021 || SCIENCE- विज्ञान || OBJECTIVE क्रैश कोर्स || PART- 4

SCIENCE- विज्ञान OBJECTIVE क्रैश कोर्स PART- 4 10th objective question 2021| matric objective question 2021| bihar board model paper 2022| class 10th science objective question in hindi class 10th science objective question in hindi 1. प्रिज्म से होकर गुजरने वाली सात रंगों को एक पर्द पर लिए जाए तो रंगो के बैंड को कहते है।   उत्तर -…
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