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Published on: 13/05/2022
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latest Book back QuestionsDownload Tamil Nadu 10th Standard Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Science Test1.
In the nuclear reaction 6X12 \(\overset { \alpha \ decay }{ \longrightarrow } \) zYA, the value of A & Z.
8, 6
8, 4
4, 8
cannot be determined with the given data
2.
Which of the following statements is/are correct?
i. \(\alpha\) particles are photons
ii. Penetrating power of \(\gamma \) radiation is very low
iii. Ionization power is maximum for α rays
iv. Penetrating power of \(\gamma \) radiation is very high
(i) & (ii) are correct
(ii) & (iii) are correct
(iv) only correct
(iii) & (iv) are correct
3.
Gamma radiations are dangerous because
it affects eyes & bones
it affects tissues
it produces genetic disorder
it produces enormous amount of heat
4.
In which of the following, no change in mass number of the daughter nuclei takes place
i) \(\alpha\) decay
ii) \(\beta\) decay
iii) \(\gamma \) decay
iv) neutron decay
(i) is correct
(ii) and (iii) are correct
(i) & ( iv) are correct
(ii) & (iv) are correct
5.
Unit of radioactivity is _____________
roentgen
curie
becquerel
all the above
1.
(b)
8, 4
2.
(d)
(iii) & (iv) are correct
3.
(c)
it produces genetic disorder
4.
(b)
(ii) and (iii) are correct
5.
(d)
all the above
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
