41. Cooking taken longest time

1. 1. At the sea level

   
   
   

   2. At Simla

   
   
   

   3. At Mount Everest

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

42. Two samples A and B of the same mass of a gas initially at the same pressure, temperature and volume are compressed to half the original volume. A isothermally and B adiabatically. The final pressure of A is

1. 1. Greater than that of B

   
   
   

   2. Equal to that of B

   
   
   

   3. Less than that of B

   
   
   

   4. Twice that of B

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

43. At upper atmosphere, an astronaut feels

1. 1. Extremely hot

   
   
   

   2. Slightly hotter

   
   
   

   3. Extremely cool

   
   
   

   4. Slightly cooler

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

44. The wavelength of the radiation emitted by a body depends upon

1. 1. The nature of the surface

   
   
   

   2. The area of the surface

   
   
   

   3. The temperature of the surface

   
   
   

   4. All of the above factors

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

45. A piece of metal and a piece of wood are kept at temperature of 45°C on touching the two of them with hand

1. 1. The two will appear equally hot

   
   
   

   2. The piece of wood will appear hotter than the piece of metal

   
   
   

   3. The piece of metal will appear hotter than the piece of wood

   
   
   

   4. The distinction in the hotness will not be possible

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---