Given a point source of light, which of the following can produce a parallel beam of light [CPMT...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=rpucsn12wiQ


Duration: 1:26
12 views
0

Given a point source of light, which of the following can produce a parallel beam of light [CPMT 1974; KCET 2005]
(a) Convex mirror
(b) Concave mirror
(c) Concave lens
(d) Two plane mirrors inclined at an angle of \( 90^{\circ} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27A parallel monochromatic beam of light is incident normally on a narrow slit. A diffraction patt...
2022-10-27A combination of two thin lenses with focal lengths \( f_{1} \) and \( f_{2} \) respectively for...
2022-10-27An object is placed at a distance of \( 10 \mathrm{~cm} \) from a co-axial combination of two le...
2022-10-27A leaf which contains only green pigments, is illuminated by a laser light of wavelength \( 0.63...
2022-10-27A thin glass (refractive index \( 1.5 \) ) lens has optical power of \( -5 D \) in air. It's opt...
2022-10-27A hollow double concave lens is made of very thin transparent material. It can be filled with ai...
2022-10-27A plano - convex lens made of material of refractive index \( \mu \) with radius of curvature \(...
2022-10-27A thin convex lens made from crown glass \( \left(\mu=\frac{3}{2}\right) \) has focal length \( ...
2022-10-27In the arrangement shown, the pulleys are smooth and the strings are inextensible. The accelerat...
2022-10-27The logic circuit shown below has the input waveforms 'A' and ' \( B \) ' as shown. Pick out the...
2022-10-27Given a point source of light, which of the following can produce a parallel beam of light [CPMT...
2022-10-27A transparent cube of side \( d \) made of a material of refractive index \( \mu_{2} \) is immer...
2022-10-27A thin glass (refractive index \( 1.5 \) ) lens has optical power of \( -5 D \) in air. It's opt...
2022-10-27The ray diagram could be correct [CPMT 1988; KCET 2000] (a) If \( n_{1}=n_{2}=n_{g} \) (b) If \(...
2022-10-27The figure shows a logic circuit with two inputs \( A \) and \( B \) and the output \( C \). The...
2022-10-27A sample of radioactive material \( A \), that has an activity of \( 10 \mathrm{mCi} \quad\left(...
2022-10-27In the circuit shows in the figure, the input voltage \( V_{i} \) is \( 20 \mathrm{~V}, V_{B E}=...
2022-10-27Read the assertion and reason carefully to mark the correct option out of the options given belo...
2022-10-27In a radioactive decay chain, the initial nucleus is \( { }_{90}^{232} T h \). At the end there ...
2022-10-27The activity of a sample of a radioactive material is \( A \) at time \( t_{1} \) and \( A_{2} \...
2022-10-27A radioactive sample with a half life of 1 month has the label: "Activity \( =2 \) micro curies ...


Tags:
pw