3836: When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of
(a) reflection and diffraction
(b) reflection and transmission
(c) diffraction and transmission
(d) refraction, diffraction and transmission
3837: What is/are the consequence/consequences of a country becoming the member of the `Nuclear Suppliers Group'?
1. It will have access to the latest and most efficient nuclear technologies.
2. It automatically becomes a member of "The Treaty on the Non-Proliferation of Nuclear Weapons (NPT)".
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
3838: With which one of the following rivers is the Omkareshwar Project associated?
(a) Tapi
(b) Bhima
(c) Narmada
(d) Chambal
3839: Who prepares topographical maps of India?
(a) Survey of India
(b) Ministry of Home Affairs
(c) Geological Survey of India
(d) Archaeological Survey of India
3840: Consider the following statements :
I. Arya Samaj was founded in 1835.
II. Lala Lajpat Rai opposed the appeal of Arya Samaj to the authority of Vedas in support of its social reform programmes.
III. Under Keshab Chandra Sen, the Brahmo Samaj campaigned for women's education.
IV. Vinoba Bhave founded the Sarvodaya Samaj to work among rufugees.
Which of these statements are correct ?
(a) I and II
(b) II and III
(c) II and IV
(d) III and IV