9th Class Physics Chapter 9 TestNature of Science

Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)

1. Which brach of science plays vital role in technology and engineering?

   1. Biology

   2. Chemistry

   3. Geology

   4. Physics

2. A statement that can be tested and potentially disproven in scientific method is called:

   1. Theory

   2. Law

   3. Experiment

   4. Prediction

3. Laser is widely used in:

   1. Diagnosis of diseases

   2. Metallurgy

   3. Industry

   4. All of the above

4. The integration field that combines physics, biology, and chemistry is called:

   1. Biophysics

   2. Cosmology

   3. Medical Physics

   4. Astrophysical Physics

5. Data obtained during experiments is called:

   1. Variable

   2. Results

   3. Observations

   4. Assumption

6. Which statement below correctly identifies the difference between laws and theories?

   1. Laws describe phenomena, while theories explain why phenomena exist

   2. Laws are a statement of fact, while theories are statement of opinion

   3. Laws explain why phenomena exist while theories explain how

   4. None of these

7. What is the ultimate truth of a scientific method?

   1. Hypothesis

   2. Experimentation

   3. Theory

   4. Law

8. ....... is the study of some specific properties of matter in solid form:

   1. Particle Physics

   2. Solid State Physics

   3. Astronomy

   4. Quantum Mechanics

9. Laser technology is based on the principles of:

   1. Thermodynamics

   2. Electromagnetism

   3. Atomic Physics

   4. Particle Physics

10. The results are derived from .......:

    1. Experience

    2. Assumption

    3. Theory

    4. Law