Select the best suitable means of communication to get informed or to inform others for the given situations (X, Y and Z).
X : Your sister’s marriage has been fixed and you want all your relatives and friends to be present at the wedding.
Y : Your grandfather, suddenly, suffered from a heart attack and your father is in his office.
Z : Incidence of tsunami had occurred in Japan.
X | Y | Z | |
A | Radio | Postcard | |
B | Letter | Telephonic call | Newspaper |
C | Television | Fax | |
D | Fax | Newspaper |
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Ans 1:
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Ans 1: (Master Answer)
C
A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.
Ans 2: (Master Answer)
C
A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.