मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ७

Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin: 45°C

Advertisements
Advertisements

प्रश्न

Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin:

45°C

बेरीज
Advertisements

उत्तर

45°C = (45 + 273)K

= 318K

shaalaa.com
Statement Problems on Integers Using All Fundamental Operations.
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Number System - Exercise 1.5 [पृष्ठ २८]

APPEARS IN

सामाचीर कलवी Mathematics - Term 1 [English] Class 7 TN Board
पाठ 1 Number System
Exercise 1.5 | Q 3. (ii) | पृष्ठ २८

संबंधित प्रश्‍न

Scientists use the Kelvin scale (K) as an alternative temperature scale to degrees Celsius (°C) by the relation T°C = (T + 273)K. Convert the following to Kelvin:

−275°C


A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following.

If Tamizh Nambi wrote 5 pages per day, how many day’s work did he lose?


A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following.

If four pages contained 1800 characters, (letters) how many characters were lost?


An atom can contain protons which have a positive charge (+) and electrons which have a negative charge (−). When an electron and a proton pair up, they become neutral (0) and cancel the charge at. Now determine the net charge:

4 protons and 8 electrons →


Find the amount that is left in the student’s bank account, if he has made the following transaction in a month. His initial balance is ₹ 690

(i) Deposit (+) of ₹ 485

(ii) Withdrawal (−) of ₹ 500

(iii) Withdrawal (−) of ₹ 350

(iv) Deposit (+) of ₹ 89

(v) If another ₹ 300 was withdrawn, what would the balance be?


A poet Tamizh Nambi lost 35 pages of his ‘lyrics’ when his file had got wet in the rain. Use integers, to determine the following:

If Tamizh Nambi is paid ₹ 250 for each page produced, how much money did he lose?


Kamatchi, a fruit vendor sells 30 apples and 50 pomegranates. If she makes a profit of ₹ 8 per apple and loss ₹ 5 per pomegranate. What will be her overall profit or loss?


During a drought, the water level in a dam fell 3 inches per week for 6 consecutive weeks. What was the change in the water level in the dam at the end of this period?


From a water tank 100 litres of water is used every day. After 10 days there is 2000 litres of water in the tank. How much water was there in the tank before 10 days?


A dog is climbing down into a well to drink water. In each jump, it goes down 4 steps. The water level is in 20th step. How many jumps does the dog take to reach the water level?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×