Download App

STD 12 - 9. Ray optics abd optical instruments — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 9. Ray optics abd optical instruments4 Marks
MCQ
For observing a cricket match, a binocular is preferred to a terrestrial telescope because
  • ✓
    The binocular gives the proper three dimensional view
  • B
    The binocular has shorter length
  • C
    The telescope does not give erect image
  • D
    Telescope have chromatic aberrations
✓

Answer

Correct option: A.
The binocular gives the proper three dimensional view
a
(a) In terrestrial telescope erecting lens absorbs a part of light, so less constant image. But binocular lens gives the proper three dimensional image.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

A bag of sand of mass $9.8\,kg$ is suspended by a rope. A bullet of $200 \,g$ travelling with speed $10\, ms ^{-1}$ gets embedded in it, then loss of kinetic energy will be $...J$
→
(image) $\xrightarrow[{\mathop {NaOH}\limits_{\left( {50\,\% } \right)} }]{{conc.}}{\text{Product}},$ Product
→
A Carnot's engine working between $400\, K$ and $800\, K$ has a work output of $1200\, J$ per cycle. The amount of heat energy supplied to the engine from the source in each cycle is ........... $J$
→
Match List $I$ with List $II$

List $I$ List $II$
$A$ Troposphere $I$ Approximate $\quad 65-75\, km$ over Earth's surface
$B$ E-Part of Stratosphere $II$ Approximate $300\,km$ over Earth's surface
$C$ $F _2$-Part of Thermosphere $III$  Approximate $10\,km$ over Earth's surface
$D$ $F _2$-Part of Thermosphere $IV$ Approximate $100\,km$ over Earth's surface

Choose the correct answer from the options given below:

→
A cyclist taking turn bends inwards while a car passenger taking same turn is thrown outwards. The reason is
→
A body takes $10\, minutes$ to cool from $60\,^oC$ to $50\,^oC$. The temperature of surroundings is constant at $25\,^oC$. Then, the temperature of the body after next $10\, minutes$ will be approximately ....... $^oC$
→
Energy in the sun is generated mainly by
→
The inductance of a coil is $60\,\mu H$. A current in this coil increases from $1.0 \,A$ to $1.5\,A$ in $0.1\, second$. The magnitude of the induced $e.m.f$. is
→
Radioactive nuclei that are injected into a patient collect at certain sites within its body, undergoing radioactive decay and emitting electromagnetic radiation. These radiations can then be recorded by a detector. This procedure provides an important diagnostic tool called
→
Steel ruptures when a shear of $3 .5 \times 10^8\,\,N\,m^{-2}$ is applied. The force needed to punch a $1\,cm$ diameter hole in a steel sheet $0.3\,cm$ thick is nearly
→