Doubtly
@Doubtly · Joined Feb 2021
- Answers
- 3,792
- Questions
- 7,562
- Upvotes received
- 432
- What is a binary tree? Draw the tree structure for the following expression: E= (a+b)/ [(c*d)-e] Binary tree is a finite set of elements called nodes such that is It may be empty or it is partitioned into three disjoint subsets there is... 1
- A soap film of 5*10^-5 cm thick is viewed at an angle of 35 degree to normal find the wavelenth of line in the Given: angle of incident =i=35^o thickness=t=5*10⁻⁵cm refractive index=μ= 1.33 Solution : μ=sin i/sin r sin r=sin i/μ sin r=0.43 Therefore,... 1
- PHP learning notes for beginners Basic PHP Syntax A PHP script can be placed anywhere in the document. A PHP script starts with <?php and ends with ?>: <?php // PHP code goe... 1
- Write a note on the changing nature of the international trade in the last fifteen years. Exchange of information and knowledge has surpassed exchange of goods and commodities. Through its advanced software knowledge and excellenc... 1
- Why are the means of transportation and communication called the lifeline of a nation and its economy? The means of transport provide an important link between the producers and consumers of goods. The transport routes or channels are, thus, t... 1
- What is meant by trade? What is the difference between international and local trade? Exchange of goods, commodities or services between people, states or countries is termed as trade. The Products are exchanged between region... 1
- What is the significance of the border roads? Border roads are of strategic importance in the northern and north-eastern border areas. These roads have improved accessibility in areas of... 1
- Where and why is rail transport the most convenient means of transporation? Railways can transport larger number of goods and passengers over long distances at economical cost. Hence, Railways are the most convenient... 1
- State any three merits of roadways. Three merits of roadways are: Constructing road ways is cheaper Roadways connects door to door thus minimal cost of loading and unloading. P... 1
- Which one of the following terms is used to describe trade between two or more countries? b) International trade 2
- Which one of the following is the most important modes of transportation in India? b) Railways 2
- Which one of the following ports is the deepest land-locked and well-protected port along the east cost? d) Vishakhapatnam 2
- Which one of the following states is not connected with the H.V.J. pipeline? b) Maharashtra 2
- Which mode of transportation reduces trans-shipment losses and delays? (a) Railways (b) Roadways (c) Pipeline correct option is c) Pipeline 2
- Which two of the following extreme locations are connected by the east-west corridor? Correct option is b) Silcher and Porbandar 2
- Discuss the steps to be taken to minimise environmental degradation by industry? The steps to be taken to minimize environmental degradation by industry are: To control water pollution, industrial effluents need to be tre... 1
- How do industries pollute the environment? Industries are responsible for four types of pollution – air, water, land, and noise pollution. Following are the various reasons: Air pollu... 1
- How are integrated steel plants different from mini steel plants? What problems does the industry face? Manganese is mainly used in the manufacturing of Steel. The Iron and steel industries are the basic industry as rest all other industries ar... 1