31. Two masses, each equal to m, are attached to one another by a massless string passing over a smooth pulley the tension in the string is

1. 1. mg

   
   
   

   2. 2 mg

   
   
   

   3. mg / 2

   
   
   

   4. zero

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

32. The intensity of the earth's gravitational field is maximum at

1. 1. The equator

   
   
   

   2. The centre of the earth

   
   
   

   3. The pole

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

---

---

33. The ratio of the inertial mass to gravitational mass is equal to

1. 1. 1 / 2

   
   
   

   2. 1

   
   
   

   3. 2

   
   
   

   4. None of these

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---

34. A bag is dropped from an aeroplane flying horizontally at a constant speed. Neglecting air resistance, where will the aeroplane be when the bag reaches the ground?

1. 1. Firectly above the bag

   
   
   

   2. Ahead of the bag

   
   
   

   3. Behind the bag

   
   
   

   4. Fata is not sufficient

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

---

---

35. If the momentum of a body is increased by 50%, its K.E. will increase by

1. 1. 100%

   
   
   

   2. 125%

   
   
   

   3. 150%

   
   
   

   4. 200%

   
   
   

---

1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

---