Question

Interference fringes are obtained in a Young's double slit experiment using beam of ligth consisting two wavelengths 500nm and 600nm. Bright fringes due to both wavelengths coincide at 2.5 mm form the central maximum. If the separation be- tween the slits is 3mm, then the distance between the screen and plane of the slits is [TS EAMCET-04.05.2018-SHIFT-1] 1) 1.2m 2) 2.8m 3) 2.5m 4)3.2m​

Answer 1

Answer:

1

X CLASS SOCIAL STUDIES PHASE - I FUN WORKSHEETS KEY

KEY

FUN WORK SHEET - 1

Chapter : 1. India : Relief Features

I. Choose the Corret Answer :

1) 82° 301

E

2) The average height of Greater Himalayas is about 6,100 mts.

The height of Lesser Himalayas ranges from 3,700 to 4,500 mts.

3) 1-Himadri, 2-Lesser Himalaya Ranges, 3-Between Lesser Himalayas and Shivaliks

4) Cardamom hills - Karnataka 5) Rajastan

6) Aravalis 7) East Coast

8) Bay of Bengal 9) Black soil

10) Central part extends from the rivers Ghaggar to Teesta.

11) Sircar Coast and Utkal Coast 12) Himalayas

13) Maharashtra 14) + 5.30 hrs

15) Aravallis 16) Central part

17) Bhabar 18) The Peninsular Plateau

19) 68°7|

and 97°25| 20) Tripura

21) Terai 22) Palk Strait and Gulf of Mannar

23) Aravallis 24) Pakistan

25) Konkan 26) Shivaliks

27) Jaipur 28) Seshachalam hills

II. Fill in the blanks :

1) Northern 2) Bangladesh 3) 5½ 4) Himadri

5) Konkan 6) Arunachal Pradesh 7) Shivaliks 8) Luni

9) 1600 km 10) Doab 11) Aravallis 12) Flora and Fauna

13) Indira Gandhi canal

NEW MODE OF QUESTIONS

I. Complete the order:

1) Satpuras 2) Himachal 3) Peninsular Plateau

II. Based on the relationship between the information in the first pair, complete the second pair.

1) Arunachal Pradesh 2) Coral Origin 3) Mahandi to Cauvery delta

4) Anaimudi 5) Assam 6) Kanya Kumari 7) Odisha