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Physics 10th Class English Medium Online Test
| Sr. # | Questions | Answers Choice |
|---|---|---|
| 1 | Image formed on a camera is: |
<p class="MsoNormal">Real, inverted, and diminished<o:p></o:p></p> <p class="MsoNormal">Virtual, upright and diminished<o:p></o:p></p> <p class="MsoNormal">Virtual, upright and magnified<o:p></o:p></p> <p class="MsoNormal">Real, inverted and magnified<o:p></o:p></p> |
| 2 | Which type of image is produced by the converging lens of
human eye if it views a distant object: |
<p class="MsoNormal">Real, erect, same size<o:p></o:p></p> <p class="MsoNormal">Real, inverted, diminished<o:p></o:p></p> <p class="MsoNormal">Virtual, erect, diminished<o:p></o:p></p> <p class="MsoNormal">Virtual, inverted, magnified<o:p></o:p></p> |
| 3 | Which type of image is formed by a convex lens on a screen: |
<p class="MsoNormal">Inverted and real<o:p></o:p></p> <p class="MsoNormal">Inverted and virtual<o:p></o:p></p> <p class="MsoNormal">Upright and real<o:p></o:p></p> <p class="MsoNormal">Upright and virtual<o:p></o:p></p> |
| 4 | The index of refraction depends on: |
<p class="MsoNormal">The focal length<o:p></o:p></p> <p class="MsoNormal">The speed of light<o:p></o:p></p> <p class="MsoNormal">The image distance<o:p></o:p></p> <p class="MsoNormal">The object distance<o:p></o:p></p> |
| 5 | An object is 14 cm in front of a convex mirror. The image is
5.8 cm behind the mirror. What is the focal length of the mirror: |
<p class="MsoNormal">-4.1 cm<o:p></o:p></p> <p class="MsoNormal">-8.2 cm<o:p></o:p></p> <p class="MsoNormal">-9.9 cm<o:p></o:p></p> <p class="MsoNormal">-20 cm<o:p></o:p></p> |
| 6 | An object is placed at the Centre of curvature of a concave
mirror. The image produced by the mirror is located: |
<p class="MsoNormal">Out beyond the centre of curvature<o:p></o:p></p> <p class="MsoNormal">At the centre of curvature<o:p></o:p></p> <p class="MsoNormal">Between the centre of curvature and the focal point<o:p></o:p></p> <p class="MsoNormal">At the focal point<o:p></o:p></p> |
| 7 | A converging mirror with a radius of 20cm creates a real
image 30 cm from the mirror. What is the object distance: |
<p class="MsoNormal">5.0 cm<o:p></o:p></p> <p class="MsoNormal">7.5 cm<o:p></o:p></p> <p class="MsoNormal">15 cm<o:p></o:p></p> <p class="MsoNormal">20 cm<o:p></o:p></p> |
| 8 | Which of the following quantities is not change during
refraction of light: |
<p class="MsoNormal">Its direction<o:p></o:p></p> <p class="MsoNormal">Its speed<o:p></o:p></p> <p class="MsoNormal">Its frequency<o:p></o:p></p> <p class="MsoNormal">Its wavelength<o:p></o:p></p> |
| 9 | Example of mechanical waves is: |
<p class="MsoNormal">Radio waves<o:p></o:p></p> <p class="MsoNormal">X-rays<o:p></o:p></p> <p class="MsoNormal">Light waves<o:p></o:p></p> <p class="MsoNormal">Sound waves<o:p></o:p></p> |
| 10 | The characteristics of sound by which we can distinguish
between two sounds of same loudness and pitch is called. |
<p class="MsoNormal">Intensity<o:p></o:p></p> <p class="MsoNormal">Quality<o:p></o:p></p> <p class="MsoNormal">Loudness<o:p></o:p></p> <p class="MsoNormal">Pitch<o:p></o:p></p> |
| 11 | We can distinguish between the notes of a piano and flute
due to ………… of sound. |
<p class="MsoNormal">Loudness<o:p></o:p></p> <p class="MsoNormal">Pitch<o:p></o:p></p> <p class="MsoNormal">Quality<o:p></o:p></p> <p class="MsoNormal">Intensity<o:p></o:p></p> |
| 12 | The speed of sound in a liquid is …………..than that in gases: |
<p class="MsoNormal">Ten times<o:p></o:p></p> <p class="MsoNormal">Fifteen times<o:p></o:p></p> <p class="MsoNormal">Five times<o:p></o:p></p> <p class="MsoNormal">Two times<o:p></o:p></p> |
