Carib Quiz - Physics
1. Question

A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about the nucleus is NOT true?

2. Question

The existence of a neutral particle named the neutron was first confirmed experimentally by:

3. Question

A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and its frequency is 0.5 Hz.The speed of the ripple is:

4. Question

Which one of the following statements about ∝ particles is NOT true?

5. Question

Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined moment is:

6. Question

A detector close to a sample of radioactive material records 76 counts per second (cps). Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the material is:

7. Question

A spring is 100 mm long when unstretched. A 40 N load is hung from it, and its total length increases to 120 mm. A different load on the spring causes it to become 150 mm long. If the spring obeys Hooke′s Law, this second load is:

8. Question

A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its velocity will be:

9. Question

A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is supplied to the circuit?

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CSEC Subjects
Information Technology
Integrated Science
Principles Of Accounts
Social Studies
CAPE Subjects
Chemistry Unit 1